Across
- 2. sphere that involves the air and gases
- 3. ability to hold water, like SpongeBob
- 5. energy source that can be replenished over time
- 6. energy generated by living/recently dead organisms, cheap and renewable
- 7. machine that produces energy power when it is moved by wind, water, or steam
- 11. all water on Earth make up this sphere
- 14. zone that is full of water
- 16. average weather conditions in an area over a long period of time
- 17. living things sphere
- 18. energy source common in Iceland, uses the heat of the ground
- 19. energy from moving air
Down
- 1. rock made from melting and cooling
- 3. ability for water flow through
- 4. earths material sphere
- 8. Process in which water from a puddle turns back into a gas
- 9. rock made from heat and pressure
- 10. energy source formed from once living organisms
- 11. energy source that is from movement of water
- 12. energy source that harness energy from the sun through photovolatic panels
- 13. rock made from compacting and cementing
- 15. current temperature, precipitation, wind, or humidity