Across
- 2. the practice of finding ways to use less energy or to use energy more efficiently
- 4. the energy stored in chemical bonds
- 5. the potential energy of an object that is stretched or compressed
- 6. sunlight that is converted into usable energy
- 7. ____ energy stored in atomic nuclei
- 9. rich deposits of hydrocarbon mixtures that formed from the remains of organisms
- 10. the total potential and kinetic energy related to the motion of all the particles in an object
- 12. energy that is stored as a result of position or shape
- 15. the ability to do work
- 17. the chemical energy stored in living things
- 18. the energy associated with the motion and position of everyday objects
- 19. ____ potential energy depends on an objects height above a reference point
- 20. the energy associated with electric charges
Down
- 1. ____ energy resource that exists in limited quantities and once used, cannot be replaced except over millions of years
- 3. thermal energy beneath Earth's surface
- 8. the energy an object has due to its motion
- 11. energy that can be replaced in a relatively short period of time
- 13. ____ energy consists of changing electric and magnetic fields
- 14. energy that is obtained by flowing water
- 16. the process of changing energy from on form to another