Across
- 2. Flat device that absorbs sunlight converting it to electricity
- 4. Device that stores electrical energy
- 6. The color associated with renewable energy
- 9. Energy from the sun
- 10. Layer of gases trapping heat around Earth
- 12. Process of refining crude oil
- 13. Substance burned to produce heat or power
- 14. Energy from moving air
- 16. Process of burning fuel to release energy
- 17. Method of extracting oil, gas, and making geothermal wells
- 21. Energy source that replenishes naturally
Down
- 1. The type of energy that comes from the earths natural heat
- 2. Harmful effect of emissions on the environment
- 3. Type of fuel formed over millions of year from organic matter
- 5. Device converting wind into electricity
- 6. System that distributes electricity
- 7. Gases released by burning fossil fuels
- 8. Energy demand at its highest point
- 11. Oil drilling structure at sea
- 15. Large structure used to generate hydroelectric power
- 16. Black fossil fuels burned for warmth and electricity
- 18. Gas used for heating and cooking
- 19. Power generated without carbon emissions
- 20. Hole used to access the earth's internal heat