Across
- 3. force times distance
- 4. living or recently living organisms we can use as energy resources
- 7. a wheel connected to an axle
- 9. the unit of force
- 11. movement of electrons
- 13. energy that cannot be used again
- 15. energy from the sun
- 17. it's used to raise objects or to split them apart
- 18. energy of place and position
- 19. machines that are made up of several simple machines
- 21. it pivots around a fixed point
- 22. it's a force that attracts the body towards the center of the earth
- 23. is a push or a pull
- 25. another words for a ramp
- 26. breaking bonds and releasing large amounts of energy
- 27. when work is done in an object, it's energy...
Down
- 1. they are formed from plants and animals that have died a million years ago
- 2. movement of energy through substances in waves
- 5. they make work easier
- 6. energy deep beneath the surface
- 8. wheel and a post and a rope that goes around it
- 10. is adapted from an inclined plane
- 12. energy that is being stored
- 14. a living organisms
- 16. energy from the water
- 20. energy stored in the bonds of atoms and molecules
- 24. it's energy from wind