| 1. Nuclear Energy | | Energy that comes from motion |
| 2. Renewable Resources | | An example of conserving energy |
| 3. Non-Renewable Resources | | A resource that supplies us with gasoline, kerosene, plastics and wax as well as petrochemicals |
| 4. Solar Energy | | Reducing your energy use |
| 5. Hydrogen | | This converts wind energy into electric energy by rotating a generator |
| 6. Energy | | Most ultimate renewable resource |
| 7. Recycling | | Involves the transfer of energy by waves |
| 8. Sunlight | | The ratio of a machine's output to input work |
| 9. Natural Gas | | Resourses that can be used up fast than they can be replenished naturally |
| 10. Refineries | | The ability to cause change |
| 11. Power | | One of the three major fossil fuels |
| 12. Heat | | Factories where crude oil is separated into fuels and other products |
| 13. Chemical Energy | | An example of a renewable resource |
| 14. Oil | | Materials that do not transfer heat easily |
| 15. Radiation | | The envelope of gases that surround the Earth |
| 16. Wind Turbines | | A type of energy stored in molecules |
| 17. Coal | | One of the three major fossil fuels |
| 18. Atmosphere | | A natural resource that can be converted by humans into other forms of energy |
| 19. Insulators | | The energy that exists within the nucleus of an atom |
| 20. Energy Resource | | Most plentiful substance on the earths surface |
| 21. Kinetic Energy | | An example of a biomass fuel |
| 22. Energy Conservation | | Abundant natural resources that are continually produced |
| 23. Petroleum | | The transfer of energy from warmer to cooler objects |
| 24. Efficiency | | One of the three major fossil fuels |
| 25. Wood | | The rate at which work is done |
