Across
- 2. is the transfer of energy by electromagnetic waves
- 3. occurs when what the scientist expects changes how the results are viewed
- 7. is the SI unit of energy
- 8. is an inclined plane with one or two slopping slides
- 10. a large wheel that rotates when pushed by wind,water, and steam
- 12. a push of pull
- 13. when a object changes its position relative to a reference point
- 17. it has a positive charge
- 19. test the affects of one thing or another control
Down
- 1. is a device that makes doing work easier
- 4. a material on which heat flows through slowly
- 5. is a inclined plane wrapped in a spiral around a cylindrical post
- 6. force that opposes the sliding motion between two touching surfaces
- 9. attractive force between two objects
- 11. mother for studying the natural world
- 13. refers to the properties and interactions
- 14. how fast something is going
- 15. is the transfer of energy that occurs when a force makes up an objects
- 16. is the amount of work done in one second
- 18. gravitational force exerted on an objects