Physics mind maze

12345678910111213141516171819
Across
  1. 3. — The change in position of an object over time (6)
  2. 4. — The amount of matter in an object (4)
  3. 6. — Force that pulls objects toward the Earth (7)
  4. 8. — Force acting per unit area (8)
  5. 9. — A way energy travels without matter moving overall (4)
  6. 14. — The bouncing back of light from a surface (10)
  7. 15. — A push or pull that can change motion (5)
  8. 16. — Energy possessed by a moving object (7)
  9. 17. — SI unit used to measure force (6)
  10. 19. — Energy stored due to position or height (9)
Down
  1. 1. — Force that always acts opposite to motion and produces heat (8)
  2. 2. — The tendency of an object to resist changes in its state (7)
  3. 5. — Distance travelled per unit time (5)
  4. 7. — Mass per unit volume of a substance (7)
  5. 10. — Rapid back-and-forth motion that produces sound (9)
  6. 11. — The speed of an object in a particular direction (8)
  7. 12. — Done when a force causes displacement (4)
  8. 13. — A device used to observe distant objects in space (9)
  9. 18. — Force acting on an object due to gravity (6)
  10. 19. — Rate at which work is done (5)