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

2. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space2 Q1. What is the force acting on an object due to its mass?

3. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space3 A1. Gravity

4. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space4 Q2. What do we call a huge ball of gas that emits light?

5. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space5 A2. Star

6. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space6 Q3. What orbits a star and reflects the star's light?

7. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space7 A3. Planet

8. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space8 Q4. What orbits a planet? (Our moon is one)

9. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space9 A4. Satellite

10. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space10 Q5. What do you call it when the moon casts a shadow on the Earth?

11. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space11 A5. An eclipse

12. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space12 Q6. What do we call the path of a planet around the Sun, or a satellite around a planet?

13. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space13 A6. Orbit

14. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space14 Q7. What is a word that means everything that exists everywhere?

15. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space15 A7. The universe

16. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space16 Q8. Which planet is nearest the Sun?

17. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space17 A8. Mercury

18. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space18 Q9. Name the hot planet with acidic clouds, second closest to the Sun?

19. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space19 A9. Venus

20. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space20 Q10. Name our home, the third planet from the Sun

21. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space21 A10. Earth

22. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space22 Q11. Name the red planet with canyons, volcanoes and polar ice caps?

23. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space23 A11. Mars

24. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space24 Q12. Name a huge gassy planet with a giant red spot?

25. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space25 A12. Jupiter

26. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space26 Q13. Name a gassy planet with a spectacular ring system

27. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space27 A13. Saturn

28. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space28 Q14. Name the third largest planet in our solar system, seventh furthest from the Sun?

29. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space29 A14. Uranus

30. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space30 Q15. Name a pale blue planet, the outermost of the gassy planets in our solar system?

31. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space31 A15. Neptune

32. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space32 Q16. Name the planet that is usually furthest from the Sun?

33. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space33 A16. Pluto

34. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space34 Q17. What do we call the small lumps of rock or metal that move around the Sun, mainly between Mars and Jupiter?

35. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space35 A17. Asteroids

36. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space36 Q17. What do we call a group of millions of stars?

37. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space37 A17. Galaxy

38. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space38 Q18. What do we call it when the gravitational forces on an object in space are balanced?

39. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space39 A18. Weightlessness

40. © NTScience.co.uk 2005KS3 Unit 9J Gravity and Space40 Well Done! Now check your score