KS3 Unit 9J Gravity and Space 1© NTScience.co.uk 2005
Gravity and Space
KS3 Unit 9J Gravity and Space 2© NTScience.co.uk 2005
Q1. What is the force acting on an object due
to its mass?
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A1. Gravity
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Q2. What do we call a huge ball of gas that
emits light?
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A2. Star
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Q3. What orbits a star and reflects the star's
light?
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A3. Planet
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Q4. What orbits a planet? (Our moon is
one)
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A4. Satellite
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Q5. What do you call it when the moon casts a shadow on the Earth?
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A5. An eclipse
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Q6. What do we call the path of a planet around the Sun, or a satellite
around a planet?
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A6. Orbit
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Q7. What is a word that means everything that
exists everywhere?
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A7. The universe
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Q8. Which planet is nearest the Sun?
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A8. Mercury
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Q9. Name the hot planet with acidic clouds,
second closest to the Sun?
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A9. Venus
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Q10. Name our home, the third planet from the
Sun
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A10. Earth
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Q11. Name the red planet with canyons,
volcanoes and polar ice caps?
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A11. Mars
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Q12. Name a huge gassy planet with a giant
red spot?
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A12. Jupiter
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Q13. Name a gassy planet with a spectacular
ring system
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A13. Saturn
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Q14. Name the third largest planet in our
solar system, seventh furthest from the Sun?
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A14. Uranus
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Q15. Name a pale blue planet, the outermost of the gassy planets in our
solar system?
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A15. Neptune
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Q16. Name the planet that is usually furthest
from the Sun?
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A16. Pluto
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Q17. What do we call the small lumps of rock
or metal that move around the Sun, mainly
between Mars and Jupiter?
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A17. Asteroids
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Q17. What do we call a group of millions of
stars?
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A17. Galaxy
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Q18. What do we call it when the gravitational forces on an object in space are balanced?
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A18. Weightlessness
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