Across
- 3. to change from one form to another
- 8. situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
- 10. energy from the sun
- 12. stored energy that results from the position or shape of an object
- 14. oil burning, replaced steam engine, used in transportation
- 18. fuel that is made of hydrocarbons that are 16 carbons long; a high compression internal combustion engine.
- 19. a machine that converts mechanical energy into electrical energy
- 20. gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) and used as fuel.
- 21. transfer movement of energy from one place or object to another
- 22. A diesel substitute produced by extracting and chemically altering oil from plants
- 24. a fossil fuel that occurs in underground deposits, composed of a liquid mixture of hydrocarbons, water, and sulfur
Down
- 1. the total carbon dioxide emissions produced by an individual, group, or location
- 2. gas
- 4. the energy an object has due to its motion
- 5. a form of energy that exhibits wavelike behavior as it travels through space
- 6. a facility that uses heat from nuclear reactors to produce electrical energy
- 7. heat energy
- 9. relating to or denoting the action of heated water in the earth's crust.
- 11. a unit of power equal to 1000 watts
- 13. a resource that has a theoretically unlimited supply and is not depleted when used by humans.
- 15. the ability to do work or cause change
- 16. effect
- 17. liquid fuel created from processed or refined biomass
- 23. coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.