Natural Resources
Across
- 3. electricity that is generated using flowing water
- 5. caused by uneven heating of the earth's surface
- 6. resources that can be reproduced or replenished
- 7. potable water is ________________ to drink
- 8. organic material made from plants and animals
- 9. heat energy in the form of steam and hot water
Down
- 1. resources that can't be renewed, replenished, or replaced
- 2. machine in which a wheel is spun to make electricity
- 4. most important resource on the planet
- 7. most energy on Earth comes from the _______.