chapter 15 vocab

3. the chemical energy stored in living things
5. the practice of finding ways to use less energy or to use energy more efficiently
6. the potential energy of an object that is stretched or compressed
8. a form of energy consisting of changing electric and magnetic fields
9. thermal energy beneath Earth’s surface
10. the energy associated with electric charges
12. a source of energy that exists in limited quantities and, once used, cannot be replaced except over the course of millions of years
13. the ability to do work
15. a source of energy that can be replaced in a relatively short period of time
17. the energy stored in chemical bonds
18. sunlight that is converted into usable energy
20. energy that is stored as a result of position or shape

1. the energy an object has due to its motion
2. potential energy that depends upon an object’s height above a reference point
4. the energy associated with the motion and position of everyday objects
7. energy obtained from flowing water
11. the total potential and kinetic energy of all the particles in an object
14. rich deposits of hydrocarbon mixtures that formed from the remains of organisms
16. the process of changing energy from one form to another
19. the energy stored in atomic nuclei