The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the new moon phase? [7L-1]
moon position 1
moon position 5
moon position 2
moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waxing crescent phase? [7L-2]
moon position 4
moon position 2
moon position 6
moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the first quarter phase? [7L-3]
moon position 7
moon position 4
moon position 3
moon position 6
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waxing gibbous phase? [7L-4]
moon position 6
moon position 2
moon position 8
moon position 4
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the full moon phase? [7L-5]
moon position 5
moon position 1
moon position 2
moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waning gibbous phase? [7L-6]
moon position 2
moon position 6
moon position 4
moon position 8
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the last quarter phase? [7L-7]
moon position 1
moon position 3
moon position 7
moon position 5
The diagram shows a sequence of eight moon positions as it orbits the Earth. When viewed from Earth, which moon position corresponds to the waning crescent phase? [7L-8]
moon position 2
moon position 4
moon position 6
moon position 8
Which matches the time it takes for the Earth to orbit the Sun once? [7L-9]
365 days
28 days
24 hours
12 hours
Which matches the time it takes for the Moon to orbit the Earth once? [7L-10]
365 days
28 days
24 hours
12 hours
Which matches the time it takes for the Earth to spin round once on its axis? [7L-11]
365 days
28 days
24 hours
12 hours
Which matches the length of daylight on the equator? [7L-12]
365 days
28 days
24 hours
12 hours
Which matches the time it takes for the Earth to orbit the Sun once? [7L-13]
year
month
day
half a day
Which matches the approximate time it takes for the Moon to orbit the Earth once? [7L-14]
year
month
day
half a day
Which matches the time it takes for the Earth to spin round once on its axis? [7L-15]
year
month
day
half a day
Which matches the length of night-time on the equator? [7L-16]
year
month
day
half a day
Which planet is nearest the Sun? [7L-17]
Mercury
Venus
Mars
Saturn
Which planet is the 2nd in order from the Sun? [7L-18]
Mercury
Venus
Mars
Saturn
Which planet is the 3rd in order from the Sun? [7L-19]
Mars
Venus
Earth
Jupiter
Which planet is the 4th in order from the Sun? [7L-20]
Saturn
Venus
Earth
Mars
Which planet is the 5th in order from the Sun? [7L-21]
Jupiter
Neptune
Mars
Saturn
Which planet is the 6th in order from the Sun? [7L-22]
Venus
Saturn
Mars
Pluto
Which planet is the 7th in order from the Sun? [7L-23]
Mars
Venus
Uranus
Pluto
Which planet is the 8th in order from the Sun? [7L-24]
Mars
Saturn
Pluto
Neptune
Which object is the farthest from the Sun? [7L-25]
Pluto
Venus
Mars
Neptune
Why is dwarf Pluto colder than the other major planets in our solar system? [7L-26]
it is the smallest radius planet
it is furthest from the Sun
it has the smallest mass
it has the longest year
Why is there no liquid water on Mercury or Venus? [7L-27]
they rotate too fast
their total daylight hours is too long
they are too hot
they are too cold
Why is there no liquid water on Mars or Pluto? [7L-28]
they rotate too fast
their total daylight hours is too long
they are too hot
they are too cold
Which position in the cycle corresponds to the Autumn season in the Northern Hemisphere? [7L-29]
position 1
position 2
position 3
position 4
Which position in the cycle corresponds to the Winter season in the Northern Hemisphere? [7L-30]
position 1
position 2
position 3
position 4
Which position in the cycle corresponds to the Spring season in the Northern Hemisphere? [7L-31]
position 1
position 2
position 3
position 4
Which position in the cycle corresponds to the Summer season in the Northern Hemisphere? [7L-32]
position 1
position 2
position 3
position 4
Which position in the cycle corresponds to the Spring season in the Southern Hemisphere? [7L-33]
position 1
position 2
position 3
position 4
Which position in the cycle corresponds to the Summer season in the Southern Hemisphere? [7L-34]
position 1
position 2
position 3
position 4
Which position in the cycle corresponds to the Autumn season in the Southern Hemisphere? [7L-35]
position 1
position 2
position 3
position 4
Which position in the cycle corresponds to the Winter season in the Southern Hemisphere? [7L-36]
position 1
position 2
position 3
position 4
Which of the following planets has the longest day? [7L-37]
Venus
Saturn
Mercury
Pluto
Which of the following planets has the shortest day? [7L-38]
Venus
Jupiter
Mercury
Pluto
Which of the following planets has the shortest year? [7L-39]
Venus
Saturn
Mercury
Pluto
Which of the following planets has the longest year? [7L-40]
Venus
Saturn
Mercury
Pluto
Which of the following planets has the day longer than the year!? [7L-41]
Venus
Saturn
Mercury
Pluto
Which explains why a planet has 'day' and 'night'? [7L-42]
the same side always faces the Sun
it rotates around a spin axis
the spin axis is tilted
it moves nearer to, or further from, the Sun
Which explains why a planet has 'seasons'? [7L-43]
the same side always faces the Sun
it rotates around a spin axis
the spin axis is tilted
it moves nearer to, or further from, the Sun
Which explains why Mars has 'seasons'? [7L-44]
it rotates around a spin axis
the same side always faces the Sun
it moves nearer to, or further from, the Sun
the spin axis is tilted
Which explains why Earth has 'day' and 'night'? [7L-45]
it rotates around a spin axis
the same side always faces the Sun
it moves nearer to, or further from, the Sun
the spin axis is tilted
Which is the path of an object moving around another in space? [7L-46]
constellation
orbit
asteroid
planet
Which is a rock moving around the Sun between the paths of Mars and Jupiter? [7L-47]
constellation
orbit
asteroid
eclipse
Which is a very large spinning object moving around a star? [7L-48]
constellation
orbit
asteroid
planet
Which is a recognisable pattern of stars? [7L-49]
constellation
orbit
asteroid
planet
Which is a mass of dust and ice going around the Sun? [7L-50]
constellation
comet
asteroid
planet
Which force keeps a planet moving around the Sun? [7L-51]
electrical
magnetic
gravitational
nuclear
Which explains why stars seem to move across the sky? [7L-52]
the same side of the Earth always faces the Sun
the Earth moves nearer to, or further from, the stars
the spin axis of the Earth is tilted
the Earth rotates around a spin axis
Which of the following is TRUE? [7L-53]
the Moon always appears to be the same size because it moves in circular orbit around the Earth
a lunar eclipse can occur when the Moon passes between the Sun and the Earth
a solar eclipse can occur when the Earth passes between the Sun and the Moon
the Moon is seen by light reflected from the Earth
Which of the following is TRUE? [7L-54]
the Moon always appears to be the same size because it moves at the same speed as the Earth
a lunar eclipse can occur when the Earth passes between the Moon and the Sun
a solar eclipse can occur when the Earth passes between the Sun and the Moon
the Moon is seen by light reflected from the Earth
Which of the following is TRUE? [7L-55]
the Moon always appears to be the same size because it moves at the same speed as the Earth
a lunar eclipse can occur when the Moon passes between the Sun and the Earth
a solar eclipse can occur when the Moon passes between the Earth and the Sun
the Moon is seen by light reflected from the Earth
Which of the following is TRUE? [7L-56]
the Moon always appears to be the same size because it moves at the same speed as the Earth
a lunar eclipse can occur when the Moon passes between the Sun and the Earth
a solar eclipse can occur when the Earth passes between the Sun and the Moon
the Moon is seen by light from the Sun being reflected
Which of the following is TRUE? [7L-57]
Neptune seems much brighter than Pluto because it is much bigger
Venus is a luminous object
Venus is very bright because it has a highly reflective surface
the Sun is a non-luminous object
Which of the following is TRUE? [7L-58]
Neptune seems much brighter than Pluto because it is much nearer the Sun
Venus is a non-luminous object
Venus is very bright because it is so hot
the Sun is a non-luminous object
Which of the following is TRUE? [7L-59]
Neptune seems much brighter than Pluto because it is much nearer the Sun
Venus is a luminous object
Venus is very bright because it is near the Sun
the Sun is a non-luminous object
Which of the following is TRUE? [7L-60]
Neptune seems much brighter than Pluto because it is much nearer the Sun
Venus is a highly reflective object
Venus is very bright because it is so hot
the Sun is a luminous object
Which pattern is generally TRUE the further a planet is from the Sun? [7L-61]
there are four smaller rocky ones, followed by four giant gas ones and then another small rocky one
it is less difficult to see with a telescope because its size increases
its speed gets faster with the increasing gravity pull of the Sun
its year gets shorter as the Sun's gravity pull decreases
Which pattern is generally TRUE the further a planet is from the Sun? [7L-62]
its mass gets bigger and there is more gas than solid
it is more difficult to see with a telescope because it is further away
its speed gets faster with the increasing gravity pull of the Sun
its year gets shorter as the Sun's gravity pull decreases
Which pattern is generally TRUE the further a planet is from the Sun? [7L-63]
its mass gets bigger and there is more gas than solid
it is less difficult to see with a telescope because its size increases
its speed gets slower with the decreasing gravity pull of the Sun
its year gets shorter as the Sun's gravity pull decreases
Which pattern is generally TRUE the further a planet is from the Sun? [7L-64]
its mass gets bigger and there is more gas than solid
it is less difficult to see with a telescope because its size increases
its speed gets faster with the increasing gravity pull of the Sun
its year gets longer as the Sun's gravity pull decreases
Starting with the Earth at position 2 in the cycle, where will the Earth be in 3 months time? [7L-65]
position 3
position 4
position 1
position 2
Starting with the Earth at position 2 in the cycle, where will the Earth be in 6 months time? [7L-66]
position 3
position 4
position 1
position 2
Starting with the Earth at position 2 in the cycle, where will the Earth be in 9 months time? [7L-67]
position 3
position 4
position 1
position 2
Starting with the Earth at position 2 in the cycle, where will the Earth be in 12 months time? [7L-68]
position 3
position 4
position 1
position 2
from which direction does the Sun rise in the northern hemisphere? [7L-69]
East
West
South
North
In which direction does the Sun set in the northern hemisphere? [7L-70]
East
West
South
North
In which direction is the Sun highest in the sky? [7L-71]
East
West
South
North
In which direction does a magnetic compass point? [7L-72]
East
West
South
North
How long is it likely to take for sunlight reflected off a satellite at night to reach your eyes? [7L-73]
2/10000th of a second
1.3 seconds
8.5 minutes
4.3 years
How long is it likely to take for sunlight reflected off the moon to reach your eyes? [7L-74]
2/10000th of a second
1.3 seconds
8.5 minutes
4.3 years
How long is it likely to take for light directly from our Sun to reach your eyes? [7L-75]
2/10000th of a second
1.3 seconds
8.5 minutes
4.3 years
How long is it likely to take for light from the next nearest star after the Sun to reach your eyes? [7L-76]
2/10000th of a second
1.3 seconds
8.5 minutes
4.3 years
At what time is the Sun highest in the sky?
12 noon
10 am
2 pm
12 midnight
Which of the following explains why the Sun seems to move across the sky? [7L-78]
the Earth goes around the Sun
the Earth revolves around a spin axis
the Earth's spin axis is tilted
the Earth moves nearer to and then further away from the Sun
From the point of view of plant growth, which is the best direction for a short narrow garden attached to a house to face? [7L-79]
East
West
South
North
From the point of view of plant growth, which is the worst direction for a short narrow garden attached to a house to face? [7L-80]
East
West
South
North
Which object is the Sun? [7L-81]
object U
object V
object X
object Y
object Z
Which object is a comet? [7L-82]
object U
object V
object X
object Y
object Z
Which object could be the Earth? [7L-83]
object U
object V
object X
object Y
object Z
Which object is our Moon? [7L-84]
object U
object V
object X
object Y
object Z
Which object could be Mars? [7L-85]
object U
object V
object X
object Y
object Z
Which object could be an asteroid? [7L-86]
object U
object V
object X
object Y
object Z
Which object is a star? [7L-87]
object U
object V
object X
object Y
object Z
Which object is a moon of a planet? [7L-88]
object U
object V
object X
object Y
object Z
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.
Choose word from: dark, Earth, eclipse, Moon, reflected, Sun Which word is missing from __(1)__? [7L-89]
Moon
reflected
eclipse
Earth
Sun
dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.
Choose word from: dark, Earth, eclipse, Moon, reflected, Sun Which word is missing from __(2)__? [7L-9]
Moon
reflected
eclipse
Earth
Sun
dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.
Choose word from: dark, Earth, eclipse, Moon, reflected, Sun Which word is missing from __(3)__? [7L-91]
Moon
reflected
eclipse
Earth
Sun
dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.
Choose word from: dark, Earth, eclipse, Moon, reflected, Sun Which word is missing from __(4)__? [7L-92]
Moon
reflected
eclipse
Earth
Sun
dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.
Choose word from: dark, Earth, eclipse, Moon, reflected, Sun Which word is missing from __(5)__? [7L-93]
Moon
reflected
eclipse
Earth
Sun
dark
The __(1)__ is seen by __(2)__ sunlight as it orbits the Earth. A lunar __(3)__ happens when the __(4)__ is directly between the Sun and the Moon. The Earth blocks out light from the __(5)__ so the Moon goes __(6)__.
Choose word from: dark, Earth, eclipse, Moon, reflected, Sun Which word is missing from __(6)__? [7L-94]
Moon
reflected
eclipse
Earth
Sun
dark
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.
Choose word from: Earth, light, luminous, Moon, solar, Sun Which word is missing from __(1)__? [7L-95]
luminous
light
solar
Sun
Moon
Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.
Choose word from: Earth, light, luminous, Moon, solar, Sun Which word is missing from __(2)__? [7L-96]
luminous
light
solar
Sun
Moon
Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.
Choose word from: Earth, light, luminous, Moon, solar, Sun Which word is missing from __(3)__? [7L-9]
luminous
light
solar
Sun
Moon
Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.
Choose word from: Earth, light, luminous, Moon, solar, Sun Which word is missing from __(4)__? [7L-98]
luminous
light
solar
Sun
Moon
Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.
Choose word from: Earth, light, luminous, Moon, solar, Sun Which word is missing from __(5)__? [7L-99]
luminous
light
solar
Sun
Moon
Earth
The Sun is a __(1)__ object because it makes and gives out its own __(2)__. A __(3)__ eclipse happens when the Moon is directly between the Earth and the __(4)__. The __(5)__ blocks out light from the Sun so the __(6)__ goes dark.
Choose word from: Earth, light, luminous, Moon, solar, Sun Which word is missing from __(6)__? [7L-100]
luminous
light
solar
Sun
Moon
Earth
Which path is most likely to correspond to mid-winter? [7L-101]
path 1
path 2
path 3
Which path is most likely to correspond to midway between summer and winter (mid-autumn or mid-spring)? [7L-102]
path 1
path 2
path 3
Which path is most likely to correspond to mid-summer? [7L-103]
path 1
path 2
path 3
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. How long will it take for the Sun to move from points (2) to (3)? [7L-104]
6 hours
9 hours
12 hours
3 hours
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. How long will it take for the Sun to move from points (3) to (5)? [7L-105]
6 hours
9 hours
12 hours
3 hours
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. How long will it take for the Sun to move from points (4) to (7)? [7L-106]
6 hours
9 hours
12 hours
3 hours
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. How long will it take for the Sun to move from points (1) to (5)? [7L-107]
6 hours
9 hours
12 hours
3 hours
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. How many hours of daylight are likely for path 1 in mid-winter? [7L-108]
6 hours
3 hours
10 hours
8 hours
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. At what time is the Sun at point (2)? [7L-109]
6am
5am
9am
11am
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. At what time is the Sun at point (3)? [7L-110]
8am
9am
12 noon
6am
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. At what time is the Sun at point (5)? [7L-111]
2pm
6pm
3pm
8pm
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. At what time is the Sun at point (6)? [7L-112]
8pm
5pm
3pm
6pm
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. At what time does the Sun rise in mid-winter (path 1)? [7L-113]
8am
7am
11am
5am
The diagram shows that path of the Sun in the sky over northern Scotland at three different times of the year. At what time does the Sun set in mid-winter (path 1)? [7L-114]
3pm
4pm
7pm
5pm
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.
Choose word from: anticlockwise, clockwise, east, rises, sets, west Which word is missing from __(1)__? [7L-115]
rises
east
sets
west
anticlockwise
clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.
Choose word from: anticlockwise, clockwise, east, rises, sets, west Which word is missing from __(2)__? [7L-116]
rises
east
sets
west
anticlockwise
clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.
Choose word from: anticlockwise, clockwise, east, rises, sets, west Which word is missing from __(3)__? [7L-117]
rises
east
sets
west
anticlockwise
clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.
Choose word from: anticlockwise, clockwise, east, rises, sets, west Which word is missing from __(4)__? [7L-118]
rises
east
sets
west
anticlockwise
clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.
Choose word from: anticlockwise, clockwise, east, rises, sets, west Which word is missing from __(5)__? [7L-119]
rises
east
sets
west
anticlockwise
clockwise
The Sun __(1)__ in the __(2)__ in the morning and __(3)__ in the __(4)__ in the evening. If you looked down on the Earth from above the North Pole the Earth would seem to spin __(5)__ but if viewed from above the South Pole it would appear to spin __(6)__.
Choose word from: anticlockwise, clockwise, east, rises, sets, west Which word is missing from __(6)__? [7L-120]
rises
east
sets
west
anticlockwise
clockwise
Which month corresponds to position 3 in the yearly cycle of the Earth? [7L-121]
March
June
September
December
Which month corresponds to position 4 in the yearly cycle of the Earth? [7L-122]
March
June
September
December
Which month corresponds to position 1 in the yearly cycle of the Earth? [7L-123]
March
June
September
December
Which month corresponds to position 2 in the yearly cycle of the Earth? [7L-124]
March
June
September
December
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to sunset at about 6pm? [7L-125]
point 1
point 2
point 6
point 8
point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to about 9pm and stars could be readily observed? [7L-126]
point 1
point 2
point 6
point 4
point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to 12 midnight? [7L-127]
point 7
point 2
point 3
point 4
point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to about 3am and stars could be readily observed? [7L-128]
point 7
point 2
point 3
point 4
point 5
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to sunrise at about 6am? [7L-129]
point 1
point 2
point 3
point 5
point 4
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to daylight at about 9am? [7L-130]
point 6
point 7
point 8
point 4
point 3
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to 12 noon? [7L-131]
point 6
point 7
point 8
point 4
point 3
The diagram represents the Earth rotating as viewed from directly above the South Pole (S). Which point most likely corresponds to about 3pm in the afternoon? [7L-132]
point 6
point 7
point 8
point 4
point 3
Which word best matches the Sun? [7L-133]
star
moon
planet
solar system
galaxy
Which word best matches a large object orbiting a planet? [7L-134]
star
moon
planet
solar system
galaxy
Which word best matches a large object orbiting a star? [7L-135]
sun
moon
planet
solar system
galaxy
Which word best matches a sun and surrounding planets? [7L-136]
star
moon
planet
solar system
galaxy
Which word best matches a large collection of stars? [7L-137]
star
moon
planet
solar system
galaxy
Which word best matches a single object that naturally gives out light? [7L-138]
star
galaxy
planet
universe
artificial satellite
Which word best matches the Milky Way? [7L-139]
star
galaxy
planet
universe
artificial satellite
Which word best matches Pluto? [7L-140]
star
galaxy
planet
universe
artificial satellite
Which word best matches everything around in the sky? [7L-141]
star
galaxy
planet
universe
artificial satellite
Which word best matches sputnik 1 (the 1st)? [7L-142]
star
galaxy
planet
universe
artificial satellite
Which of the following is a unit of mass? [9j-1]
kg
N
N/Kg
km
Which of the following is a unit of weight? [9j-2]
kg
N
N/Kg
km
Which of the following is a unit of gravitational field strength? [9j-3]
kg
N
N/Kg
km
Which of the following is a unit of distance? [9j-4]
kg
kN
N/Kg
km
Which of the following is a unit of mass? [9j-5]
kilogram
newton
newtons per kilogram
kilometre
Which of the following is a unit of weight? [9j-6]
kilogram
newton
newtons per kilogram
kilometre
Which of the following is a unit of gravitational field strength? [9j-7]
kilogram
newton
newtons per kilogram
kilometre
Which of the following is a unit of distance? [9j-8]
kilogram
newton
newtons per kilogram
kilometre
Which of the following is a unit of force? [9j-9]
N
kg
N/Kg
km
Which of the following is a unit of force? [9j-10]
kilogram
newton
newtons per kilogram
kilometre
Which of the following matches the word gravity? [9j-11]
a force of attraction between all objects
the amount of matter in an object
any 'pulling' force acting on an object
potential energy
Which of the following matches the word mass? [9j-12]
a force of attraction between all objects
the amount of matter in an object
the force of gravity acting on an object
potential energy
Which of the following matches the word weight? [9j-13]
a force of attraction between all objects
the amount of matter in an object
the force of gravity acting on an object
potential energy
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about 1/6th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE? [9j-14]
the astronaut's weight on Earth is 68N
the astronaut's weight on the Moon is about 116N
the astronaut's mass is zero, half way to the moon
the astronaut's mass on the Moon is about 11.3kg
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about 1/6th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE?[9j-15]
the astronaut's weight on Earth is 680N
the astronaut's weight on the Moon is about 11.3N
the astronaut's mass is zero half way to the moon
the astronaut's mass on the Moon is about 11.3kg
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about 1/6th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE? [9j-16]
the astronaut's weight on Earth is 68N
the astronaut's weight on the Moon is about 680N
the astronaut's mass is zero half way to the moon
the astronaut's mass on the Moon is 68kg
The force of gravity on the Earth's surface is 10N/kg. The force of gravity on the Moon's surface is 1.7N/kg (about 1/6th of Earth). A Moon bound astronaut on Earth has a mass of 68kg. Which of the following statements is TRUE? [9j-17]
the astronaut's weight on Earth is 68N
the astronaut's mass on the Moon is about 113kg
the astronaut's weight is close to zero, two thirds of the way to the moon
the astronaut's mass on the Moon is about 11.3kg
Which is generally TRUE the further a planet is from the Sun? [9j-18]
its mass gets bigger
it is less difficult to see with a telescope
its speed gets faster
its year gets longer
Which pattern is generally TRUE the further a planet is from the Sun? [9j-19]
the mass gets bigger
it is less difficult to see with a telescope
its speed gets slower
the shorter its year
Which pattern is generally TRUE the further a planet is from the Sun? [9j-20]
the mass gets bigger
the year gets shorter
its speed gets faster
it is more difficult to see with a telescope
Which of the following forces keeps planets in orbit around the Sun? [9J-21]
gravity
magnetic
friction
electrical
Which force moves a compass needle? [9J-22]
gravity
magnetic
friction
electrical
Which force causes a meteorite to heat up when it enters the Earth's atmosphere? [9J-23]
gravity
magnetic
friction
electrical
Which force accelerates objects towards the Earth? [9J-2]
electrical
magnetic
friction
gravity
Which statement is FALSE about the force of gravitational attraction? [9J-25]
it is larger if the mass of an object is smaller
it decreases if the distance between objects increases
it happens between all objects
it acts towards the centre of an object
Which statement is FALSE about the force of gravitational attraction? [9J-26]
it is larger if the mass of an object is larger
it decreases if the distance between objects decreases
it happens between all objects
it acts towards the centre of an object
Which statement is FALSE about the force of gravitational attraction? [9J-27]
it is larger if the mass of an object is larger
it decreases if the distance between objects increases
it only happens between large objects
it acts towards the centre of an object
Which statement is FALSE about the force of gravitational attraction? [9J-28]
it is larger if the mass of an object is larger
it decreases if the distance between objects increases
it happens between all objects
it only acts around the surface of an object
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is NOT TRUE about the use of artificial satellites? [9J-29]
they cannot be used to detect evidence earthquakes
they can monitor the Earth's local weather systems
they can detect tsunami from the effects of an undersea earthquake
they can carry telescopes to investigate space beyond our solar system
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is NOT TRUE about the use of artificial satellites? [9J-30]
they can be used to find oil deposits deep underground
they cannot detect tsunami from the effects of an undersea earthquake
they can monitor most of the Earth's weather systems
they can carry telescopes to investigate space beyond our solar system
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is NOT TRUE about the use of artificial satellites? [9J-31]
they can be used to find water sources deep underground
they can monitor most of the Earth's weather systems
they cannot be put in orbit around other planets to study their surface
they can carry telescopes to investigate space beyond our solar system
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is NOT TRUE about the use of artificial satellites? [9J-32]
they can be used to find water sources deep underground
they can monitor agricultural field systems
they can be put in orbit around other planets to study their surface
they cannot carry a telescope to study space beyond the solar system
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-33]
a new planet is most likely to be discovered by just making theoretical calculations
an old theory about the origin of the Earth is most likely to be replaced by a new theory if new evidence is produced
information on the planets is becoming increasingly more detailed and more accurate
our knowledge of the universe is continually increasing
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-34]
a new planet is most likely to be discovered by observing a distant solar system
an old theory about the origin of the Earth is most likely to be replaced by a new theory if old evidence is looked at again
information on the planets is becoming increasingly more detailed and more accurate
our knowledge of the universe is continually increasing
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-35]
a new planet is most likely to be discovered by observing a distant solar system
an old theory about the origin of the Earth is most likely to be replaced by a new theory if new evidence is produced
information on the planets is no longer becoming more detailed or more accurate
our knowledge of the universe is continually increasing
Scientists are always seeking information about our Solar system and beyond. Which statement is most likely to be FALSE about this situation? [9J-36]
a new planet is most likely to be discovered by observing a distant solar system
an old theory about the origin of the Earth is most likely to be replaced by a new theory if new evidence is produced
information on the planets is becoming increasingly more detailed and more accurate
our knowledge of the universe is not continuously increasing
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-37]
satellite 1 cannot accurately monitor all the Earth's surface
satellite 2 can be orbited in a fixed position above the same point on the Earth's surface
the closer the satellite is to the Earth, the faster the orbit speed
for communications, satellites can be used to receive and transmit radio and TV signals
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-37]
satellite 1 can accurately monitor all the Earth's surface
satellite 2 cannot be orbited in a fixed position above the same point on the Earth's surface
the closer the satellite is to the Earth, the faster the orbit speed
for communications, satellites can be used to receive and transmit radio and TV signals
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-39]
satellite 1 can accurately monitor all the Earth's surface
satellite 2 can be orbited in a fixed position above the same point on the Earth's surface
the closer the satellite is to the Earth, the slower the orbit speed
for communications, satellites can be used to receive and transmit radio and TV signals
Artificial satellites are useful objects which can be put up in space to orbit the Earth. Which statement is FALSE? [9J-40]
satellite 1 can accurately monitor all the Earth's surface
satellite 2 can be orbited in a fixed position above the same point on the Earth's surface
the closer the satellite is to the Earth, the faster the orbit speed
for communications, satellites can only transmit radio and TV signals, but cannot receive them
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 2nd? [9J-41]
200g hammer
2g feather
200g pool ball
20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 4th? [9J-42]
200g hammer
2g feather
200g pool ball
20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 1st? [9J-43]
200g hammer
2g feather
200g pool ball
20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, which object is most likely to hit the ground 3rd? [9J-44]
200g hammer
2g feather
200g pool ball
20g hollow plastic sphere
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-45]
when an object falls to the surface of the Moon, the forces of gravity and magnetism affect the object
when an object falls to the surface of the Earth, the forces of gravity and friction affect the object
objects fall faster on the Earth than on the Moon because the Earth has a bigger mass producing a greater gravitational attractive force
all objects fall in the same time on the Moon because there is no atmosphere to cause a friction effect
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-46]
when an object falls to the surface of the Moon, only the force of gravity affects the object
when an object falls to the surface of the Earth, only the force of gravity affects the object
objects fall faster on the Earth than on the Moon because the Earth has a bigger mass producing a greater gravitational attractive force
all objects fall in the same time on the Moon because there is no atmosphere to cause a friction effect
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-47]
when an object falls to the surface of the Moon, only the force of gravity affects the object
when an object falls to the surface of the Earth, the forces of gravity and friction affect the object
objects fall faster on the Moon than on Earth because the Earth has an atmosphere which causes an opposing air-resistance force
all objects fall in the same time on the Moon because there is no atmosphere to cause a friction effect
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-48]
when an object falls to the surface of the Moon, only the force of gravity affects the object
when an object falls to the surface of the Earth, the forces of gravity and friction affect the object
objects fall faster on the Earth than on the Moon because the Earth has a bigger mass producing a greater gravitational attractive force
different objects fall in different times on the Moon because its gravity is weak compared to the Earth
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-49]
the best fair test of the effects of air resistance, would be to compare the fall of the hammer and the hollow plastic sphere
compared to Earth, all the objects would fall faster on Jupiter
different objects fall at different speeds on the Earth due to the effect of shape on the air-resistance force
objects like feathers, fall more slowly on Earth than most other objects, because they have a high surface area to mass ratio
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-50]
the best fair test of the effects of air resistance, would be to compare the fall of the pool ball and the hammer
compared to Earth, all the objects would fall slower on Jupiter with its thick atmosphere
different objects fall at different speeds on the Earth due to the effect of shape on the air-resistance force
objects like feathers, fall more slowly on Earth than most other objects, because they have a high surface area to mass ratio
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-51]
the best fair test of the effects of air resistance, would be to compare the fall of the pool ball and the hammer
compared to Earth, all the objects would fall faster on Jupiter
different objects fall at different speeds on the Earth due to the different effects of gravity on different masses
objects like feathers, fall more slowly on Earth than most other objects, because they have a high surface area to mass ratio
The earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, at the same time, the earliest theories on falling objects suggested that the heavier the object, the faster it falls. We now know that all objects fall at the same speed if only the force of gravity is acting on the object. If the following four objects were dropped from 10 metres above the Earth's surface, and the experiment repeated on the Moon, which statement is most likely to be FALSE? [9J-52]
the best fair test of the effects of air resistance, would be to compare the fall of the pool ball and the hammer
compared to Earth, all the objects would fall faster on Jupiter
different objects fall at different speeds on the Earth due to the effect of shape on the air-resistance force
objects like feathers, fall more slowly on Earth than most other objects, because they have a such a small mass
[9j-53] Which is NOT true concerning planet Earth?
At the equinoxes, there is approximately twice as much daylight as night-time.
The Sun's rays take approximately 8 minutes to reach Earth.
The Earth's rotation causes day and night.
The Earth rotates on its axis ~365 times in a year.
[9j-54] Which is NOT true concerning planet Earth?
At the equinoxes, there are approximately equal hours of daylight and night-time.
The Sun's rays take approximately 8 hours to reach Earth.
The Earth's rotation causes day and night.
The Earth rotates on its axis ~365 times in a year.
[9j-55] Which is NOT true concerning planet Earth?
At the equinoxes, there are approximately equal hours of daylight and night-time.
The Sun's rays take approximately 8 minutes to reach Earth.
The orbiting moon causes day and night.
The Earth rotates on its axis ~365 times in a year.
[9j-56] Which is NOT true concerning planet Earth?
At the equinoxes, there are approximately equal hours of daylight and night-time.
The Sun's rays take approximately 8 minutes to reach Earth.
The Earth's rotation causes day and night.
The Earth rotates on its axis 360 times in a year.
[9j-57] Which is NOT true concerning stars?
Distances to stars are measured in 'light months', the distance light travels in one month.
Apart from our Sun, our other nearest star is Proxima Centauri, 4.2 light years from Earth.
Our Sun is part of the galaxy known as the Milky Way, containing billions of stars.
A star derives its energy from nuclear fusion reactions.
[9j-58] Which is NOT true concerning stars?
Distances to stars are measured in 'light years', the distance light travels in one year.
Apart from our Sun, our other nearest star is Proxima Centauri, beyond the Milky Way.
Our Sun is part of the galaxy known as the Milky Way, containing billions of stars.
A star derives its energy from nuclear fusion reactions.
[9j-59] Which is NOT true concerning stars?
Distances to stars are measured in 'light years', the distance light travels in one year.
Apart from our Sun, our other nearest star is Proxima Centauri, 4.2 light years from Earth.
Our Sun is part of the galaxy known as the Solar System, containing a few hundred stars.
A star derives its energy from nuclear fusion reactions.
[9j-60] Which is NOT true concerning stars?
Distances to stars are measured in 'light years', the distance light travels in one year.
Apart from our Sun, our other nearest star is Proxima Centauri, 4.2 light years from Earth.
Our Sun is part of the galaxy known as the Milky Way, containing billions of stars.
A star derives its energy from very exothermic chemical reactions.
[9j-61] Which is NOT true about planets?
Electrical field forces keep planets moving around a star in a fixed orbit.
The gravitational field strength of a planet is primarily determined by its mass.
The weight of an astronaut will decrease and then increase on a journey from Earth to Mars.
Compared to on Earth, you can jump higher on Mars because the gravitational field strength is smaller than on Earth.
[9j-62] Which is NOT true about planets?
Gravitational field forces keep planets moving around a star in a fixed orbit.
The gravitational field strength of a planet is primarily determined by its diameter.
The weight of an astronaut will decrease and then increase on a journey from Earth to Mars.
Compared to on Earth, you can jump higher on Mars because the gravitational field strength is smaller than on Earth.
[9j-63] Which is NOT true about planets?
Gravitational field forces keep planets moving around a star in a fixed orbit.
The gravitational field strength of a planet is primarily determined by its mass.
The weight of an astronaut will not change on a journey from Earth to Mars.
Compared to on Earth, you can jump higher on Mars because the gravitational field strength is smaller than on Earth.
[9j-64] Which is NOT true about planets?
Gravitational field forces keep planets moving around a star in a fixed orbit.
The gravitational field strength of a planet is primarily determined by its mass.
The weight of an astronaut will decrease and then increase on a journey from Earth to Mars.
Compared to on Earth, you can jump higher on Mars because it is a smaller planet than Earth.
[9j-65] Which is NOT true concerning planets?
Planets are seen from Earth by reflected light from the Milky Way.
Planets move in elliptical orbits around our sun.
The mass of an astronaut will not significantly change on a journey from Earth to Mars,
An exoplanet is a planet orbiting another sun beyond our solar system.
A solar system usually consists of one star, planets and their moons.
[9j-65] Which is NOT true concerning planets?
Planets are seen from Earth by reflected sunlight.
Planets move in circular orbits around our sun.
The mass of an astronaut will not significantly change on a journey from Earth to Mars,
An exoplanet is a planet orbiting another sun beyond our solar system.
A solar system usually consists of one star, planets and their moons.
[9j-67] Which is NOT true concerning planets?
Planets are seen from Earth by reflected sunlight.
Planets move in elliptical orbits around our sun.
The mass of an astronaut will significantly decrease and then increase on a journey from Earth to Mars.
An exoplanet is a planet orbiting another sun beyond our solar system.
A solar system usually consists of one star, planets and their moons.
[9j-68] Which is NOT true concerning planets?
Planets are seen from Earth by reflected sunlight.
Planets move in elliptical orbits around our sun.
The mass of an astronaut will not significantly change on a journey from Earth to Mars,
An exoplanet is a planet that has exploded when hit by a giant asteroid.
A solar system usually consists of one star, planets and their moons.
[9j-69] Which is NOT true concerning planets?
Planets are seen from Earth by reflected sunlight.
Planets move in elliptical orbits around our sun.
The mass of an astronaut will not significantly change on a journey from Earth to Mars,
An exoplanet is a planet orbiting another sun beyond our solar system.
A solar system usually consists of one star, one planet and a moon.
[9j-70] The diagram shows various free body diagrams of an astronaut using a jet pack. As viewed in the diagram, which diagram corresponds to movement to the LEFT
diagram 1
diagram 2
diagram 3
diagram 4
diagram 5
[9j-71] The diagram shows various free body diagrams of an astronaut using a jet pack. As viewed in the diagram, which diagram corresponds to movement FORWARD
diagram 1
diagram 2
diagram 3
diagram 4
diagram 5
[9j-72] The diagram shows various free body diagrams of an astronaut using a jet pack. As viewed in the diagram, which diagram corresponds to movement UPWARDS
diagram 1
diagram 2
diagram 3
diagram 4
diagram 5
[9j-73] The diagram shows various free body diagrams of an astronaut using a jet pack. As viewed in the diagram, which diagram corresponds to movement to the RIGHT
diagram 1
diagram 2
diagram 3
diagram 4
diagram 5
[9j-74] The diagram shows various free body diagrams of an astronaut using a jet pack. As viewed in the diagram, which diagram corresponds to movement DOWNWARDS
diagram 1
diagram 2
diagram 3
diagram 4
diagram 5
Doc Brown's KS3 Physics Quiz 7Lon "The SOLAR SYSTEM and
beyond, stars, planets, moons, eclipses, seasons, sunrise and sunset times" KS3
science for AQA, Edexcel and OCR pre-gcse courses
KS3 science online KS3 physics
practice revision questions for KS3 physics unit tests
or summer exam papers up to higher level KS3 science
physics for AQA KS3 science-physics courses and Edexcel
and OCR KS3 science-physics courses QUIZ 7L on The solar
system and beyond Questions on our solar system, Sun, Earth and Moon orbits, eclipses, phases of the Moon, what causes seasonal changes,
explaining the change in seasons through the year, the other planets of the solar system, other stars beyond our Sun,
sunrise and sunset times, satellites US grade 6
science US grade 7 science US grade 8 science Doc Brown's KS3 Physics Quiz Questions 9J
on "GRAVITY and SPACE, stars, planets, moons, satellites, orbits, gravity, mass
and weight" KS3 science for AQA, Edexcel and OCR pre-gcse courses
KS3 science online KS3 physics
practice revision questions for KS3 physics unit tests or summer exam papers up
to higher level KS3 science physics for AQA KS3 science-physics courses and
Edexcel and OCR KS3 science-physics courses QUIZ 9J on Gravity and space
Questions on understanding gravity, mass and weight calculations, the Solar
System, planet orbits, satellites and their uses e.g. monitoring weather,
monitoring agricultural field systems, units of mass units of weight and force,
gravitational attraction between stars, planets and moons, units of mass,
distance and force calculations, objects falling different gravitational field
strengths US grade 6
science US grade 7 science US grade 8 science weight and gravity calculations
comparison of planets orbits gravitational field strength laws of gravitational
attraction