Across
- 1. the product of distance and the force in the direction an object moves
- 4. a V-shaped object whose sides are two inclined planes sloped toward each other
- 7. energy- the energy stored in chemical bonds
- 8. energy- energy dealing with temperature
- 11. a device that changes a force & helps you do work
- 13. energy- energy that is stored as a result of position or shape
- 18. potential energy- the potential energy of an object that is stretched or compressed
- 19. energy- the energy an object has due to its motion
- 21. the ability to do work
- 22. fuels- rich deposits of hydrocarbon mixtures that formed from the remains of organisms
- 23. a simple machine that consists of a rope that fits into a groove in a wheel
- 24. energy- the energy associated with electric charges
- 25. energy- the energy associated with the motion and position of everyday objects
- 27. the rate of doing work
- 28. and axe- a simple machine that consists of two rigidly attached disks or cylinders, each one with a different radius
Down
- 2. energy- a source of energy that can be replaced in a relatively short period of time
- 3. energy- the energy stored in atomic nuclei
- 5. energy- thermal energy beneath Earth’s surface
- 6. potential energy - potential energy that depends upon an object’s height above a reference point
- 9. an inclined plane wrapped around a cylinder
- 10. energy- the chemical energy stored in living things
- 12. renewable energy resources-a source of energy that exists in limited quantities and, once used, cannot be replaced except over the course of millions of years
- 14. plane- a slanted surface along which a force moves an object to a different elevation
- 15. energy- energy that travels in waves
- 16. conversation- the practice of finding ways to use less energy or to use energy more efficiently
- 17. a rigid bar that is free to move around a fixed point
- 20. energy- sunlight that is converted into usable energy
- 26. energy- energy obtained from flowing water