Energy and Simple Machines
Across
- 3. an even sloping surface (2 words)
- 5. a rigid bar that pivots on a fixed point
- 7. energy from the sun
- 8. the unit of force
- 9. energy of motion
- 11. an example of a wedge
- 13. a device that can separate or hold things together
- 14. food and fuel are examples of this energy
- 17. a fixed point a lever pivots on
- 19. a grooved wheel that turns on a frame
- 20. x-rays, light and radio waves are examples
- 22. the most concentrated form of energy
Down
- 1. an example of a second class lever (2 words)
- 2. an example of a first class lever
- 4. the unit of distance
- 6. using a force to move something a distance
- 7. a modified inclined plane
- 10. an example of a pulley
- 12. the total amount of potential and kinetic energy
- 15. energy from water movement
- 16. the unit of work
- 18. heat energy
- 19. stored energy
- 21. energy from air currents