class work

12345678910111213141516
Across
  1. 4. a derived unit of energy
  2. 5. you use it wiht force arows
  3. 7. a unit in science class
  4. 8. downward movement under gravity
  5. 10. a space devoid of matter.
  6. 11. exertion of force
  7. 15. energy in motion
  8. 16. mass and volicity
Down
  1. 1. the ground pushing up
  2. 2. comes from the sun
  3. 3. speed in a sertan direction
  4. 6. an illusion
  5. 9. a push or pull
  6. 12. distance divided by time
  7. 13. you get it when you eat
  8. 14. a unit of power or radiant flux.