Across
- 2. the vibrations or movement of atoms and molecules
- 3. cannot be used again
- 5. energy of place or position
- 8. cannot be created or destroyed
- 11. a device with few or no moving parts
- 13. can be used over and over again
- 14. energy stored in the nucleus of an atom
- 17. used to split things apart
- 19. heat transfer through the movement of air
- 21. the movement of a substance from one place to another
- 22. using water for energy
- 25. machines that are made up of several simple machines
- 27. energy waiting to be used
- 28. consists of one or more wheels and a rope
- 30. fuel from living things
Down
- 1. force times distance (_=Fd)
- 4. a sloping surface like a ramp or a wedge
- 6. putting force on one side to raised the other side
- 7. energy from the sun
- 9. push or pull
- 10. energy made by heat inside the earth
- 12. movement of electrons
- 15. another word for work
- 16. heat transfer through direct touch
- 18. energy in motion
- 20. energy stored in the bonds of atoms and molecules
- 23. energy created by wind
- 24. electromagnetic energy that travels in waves like light
- 26. file made up of dead plants and animals
- 29. movement of energy through substances in waves