Energy sources

1234567891011121314151617181920
Across
  1. 2. portion of matter
  2. 4. liquids,gases
  3. 5. close together
  4. 7. freely moving substance
  5. 8. energy
  6. 12. that convey energy
  7. 14. heat
  8. 16. hotness,coldness
  9. 18. way things work together
  10. 19. traveling heat
  11. 20. sample of matter
Down
  1. 1. to move
  2. 3. mass
  3. 6. blocker
  4. 9. motion
  5. 10. Kinetic energy
  6. 11. position an object has
  7. 13. physical substance
  8. 15. work
  9. 17. stable object