Across
- 4. the change in direction of a wave passing
- 5. how fast something moves in a direction
- 7. the force pulling you to the ground
- 8. can not be created or destroyed
- 9. heat being transferred by touching
- 10. how much something weighs
- 14. heat being transferred through air or water
- 15. the type of heat the sun gives off
Down
- 1. the spreading of waves around obstacles
- 2. energy being exerted
- 3. smallest unit
- 6. can not be reversed to its original
- 11. any substance that cannot be decomposed into simpler substances
- 12. electric charge being repulsive or attractive
- 13. object at rest stays at rest