Chapter 15

2. energy obtained from flowing water.
5. potential energy that depends upon an object’s height above a reference point.
7. the energy associated with the motion and position of everyday objects.
8. the total potential and kinetic energy of all the particles in an object.
10. the chemical energy stored in living things.
13. rich deposits of hydrocarbon mixtures that formed from the remains of organisms.
14. the energy stored in atomic nuclei
16. a source of energy that exists in limited quantities and, once used, cannot be replaced except over the course of millions of years.
18. a source of energy that can be replaced in a relatively short period of time.
19. a form of energy consisting of changing electric and magnetic fields.

1. energy the energy stored in chemical bonds.
3. the potential energy of an object that is stretched or compressed.
4. the practice of finding ways to use less energy or to use energy more efficiently.
6. energy that is stored as a result of position or shape.
9. the energy associated with electric charges.
11. sunlight that is converted into usable energy.
12. the energy an object has due to its motion.
15. the ability to do work.
17. thermal energy beneath Earth’s surface.