Across
- 3. All living things contain this element.
- 8. The type of nuclear reaction that takes place when atoms are split.
- 9. The machine that is used with wind energy.
- 11. Organic matter from plants and from animal waste that contains stored chemical energy.
- 13. Electrical energy produced by moving water.
- 16. This resource can be replaced fairly quickly in a relatively short amount of time.
- 18. This type of energy is available from outlets.
- 19. Energy received by Earth from the sun in the form of radiation.
- 20. This natural resource is used to make objects, food or drink.
Down
- 1. This resource forms much more slowly than it is consumed.
- 2. Heat and ______________ change organisms into fossil fuels.
- 4. This nonrenewable resource formed from the buried remains of plants and animals that lived millions of years ago.
- 5. This renewable resource uses the force of moving air to drive a generator.
- 6. This natural resource is used to generate energy.
- 7. Energy that is produced from heat from Earth's interior.
- 10. This is the gaseous fossil fuel that is mainly used for heating and cooking.
- 12. Fossil fuels are _____________ to release energy.
- 14. This is the solid fossil fuel that forms from swamp plants.
- 15. This is the liquid fossil fuel that can be processed to make gasoline.
- 17. This type of energy comes from the nucleus of an atom.