Across
- 2. the decay of radioactive elements; splitting apart of an atom's nucleus
- 3. energy produced by moving water
- 4. a liquid fuel produced from corn
- 8. replaced almost as quickly as they are used
- 9. energy from the sun that warms the Earth
- 10. harnesses wind energy to produce electricity
- 12. absorbs energy from the sun in the form of heat
- 13. a natural resource used to generate electricity and other forms of energy
- 14. organic matter from plants and animal waste that contains chemical energy
Down
- 1. uses the force of moving air
- 5. two or more nuclei fuse together producing large amounts of energy
- 6. used more quickly than they can be replaced
- 7. energy produced by heat from the Earth's interior
- 11. absorbs sunlight to produce a small amount of electricity