Across
- 2. pulley works against it
- 4. movement of electrons
- 7. the cycle
- 9. machines no moving parts
- 10. ex.crowbar
- 11. less energy when its stored
- 14. ex.turbines
- 16. many simple machines in one
- 18. measure of force
- 19. beneath the surface
- 20. measure of distance
- 21. people use me to get objects off a truck
- 23. fuel made from dead plants and animals
- 24. direct contact
- 27. tiny particules released in large amounts
- 29. inclined plane wrapped into a spiral
- 30. the vibration of movement of atoms
Down
- 1. heat traveled by waves
- 3. when potential energy is high _ is low
- 5. cant be created or destroyed
- 6. a car tire is an exampl of a...
- 8. cant use it again
- 12. energy of flowing water
- 13. living things
- 15. amount of force used
- 17. hot air rises and cold air sinks
- 22. energy from the sun
- 25. ridges of nails
- 26. wheel and rope to lift an object
- 28. flat at the bottom and comes up