Year 8 Physics Review

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Across
  1. 2. The amount by which speed increases in one second.
  2. 3. A unit of speed. (3w)
  3. 5. The force exerted by air particles when they collide with a surface. (2w)
  4. 6. The unit of moment. (2w)
  5. 8. A unit of pressure. (4w)
  6. 11. The point about which a lever or see-saw balances.
  7. 14. A measure of how far something travels in a given time.
  8. 16. The speed at a particular moment.(2w)
  9. 18. A measure of the ability of a force to rotate an object about a pivot.
  10. 20. The pressure produced by collisions of particles in a liquid. (2w)
  11. 21. A graph that shows how far an object moves each second. (3w)
Down
  1. 1. Pressure caused by the collisions of air molecules that produce a force on an area (2 words)
  2. 4. An object is in equilibrium if the clockwise moments equal the anticlockwise moments. (2w)
  3. 7. The point in an object where the force of gravity seems to act. (3w)
  4. 9. The total distance travelled in the total time taken for a complete journey. (2w)
  5. 10. Squashed into a smaller space.
  6. 12. A force exerted on a certain area.
  7. 13. The difference between the speeds of two moving objects, or of a moving and a stationary object. (2w)
  8. 15. The point in an object where the mass of an object seems to act. (3w)
  9. 17. Cannot be compressed (squashed)
  10. 19. The mass of a material in a certain volume.