Energy Unit Review

4. energy obtained from flowing water.
7. a source of energy that exists in limited quantities and, once used, cannot be replaced except over the course of millions of years.
8. the ability to do work.
14. energy that depends upon an object’s height above a reference point.
16. the energy associated with electric charges.
17. rich deposits of hydrocarbons formed underground from the remains of once-living organisms.
18. a nuclear reaction in which an atomic nucleus is split into two smaller parts.
20. energy that is stored as a result of position or shape.
23. thermal energy beneath Earth’s surface.

1. the energy stored in chemical bonds.
2. a cell that generates electricity from a controlled reaction between hydrogen and oxygen.
3. energy stored in atomic nuclei.
5. a form of energy consisting of changing electric and magnetic fields.
6. the energy associated with the motion and position of everyday objects.
9. potential energy of an object that is stretched or compressed.
10. a nuclear reaction in which the nuclei of two atoms combine to form a larger nucleus.
11. the chemical energy stored in living things.
12. the energy an object has due to its motion.
13. sunlight that is converted into usable energy.
15. the practice of finding ways to use less energy or to use energy more efficiently.
19. a source of energy that can be replaced in a relatively short period of time.
21. a device that stores energy and then discharges it by converting chemical energy into electricity.
22. the total potential and kinetic energy of all the particles in an object.