© NTScience.co.uk 2005KS3 Unit 9J Gravity and Space1 Gravity and Space.

KS3 Unit 9J Gravity and Space 1© NTScience.co.uk 2005

Gravity and Space


Q1. What is the force acting on an object due

to its mass?


A1. Gravity


Q2. What do we call a huge ball of gas that

emits light?


A2. Star


Q3. What orbits a star and reflects the star's

light?


A3. Planet


Q4. What orbits a planet? (Our moon is

one)


A4. Satellite


Q5. What do you call it when the moon casts a shadow on the Earth?


A5. An eclipse


Q6. What do we call the path of a planet around the Sun, or a satellite

around a planet?


A6. Orbit


Q7. What is a word that means everything that

exists everywhere?


A7. The universe


Q8. Which planet is nearest the Sun?


A8. Mercury


Q9. Name the hot planet with acidic clouds,

second closest to the Sun?


A9. Venus


Q10. Name our home, the third planet from the

Sun


A10. Earth


Q11. Name the red planet with canyons,

volcanoes and polar ice caps?


A11. Mars


Q12. Name a huge gassy planet with a giant

red spot?


A12. Jupiter


Q13. Name a gassy planet with a spectacular

ring system


A13. Saturn


Q14. Name the third largest planet in our

solar system, seventh furthest from the Sun?


A14. Uranus


Q15. Name a pale blue planet, the outermost of the gassy planets in our

solar system?


A15. Neptune


Q16. Name the planet that is usually furthest

from the Sun?


A16. Pluto


Q17. What do we call the small lumps of rock

or metal that move around the Sun, mainly

between Mars and Jupiter?


A17. Asteroids


Q17. What do we call a group of millions of

stars?


A17. Galaxy


Q18. What do we call it when the gravitational forces on an object in space are balanced?


A18. Weightlessness


Well Done!Now check your score

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