Across
- 1. Energy using heat form inside the earth
- 4. Solar heating without mechanical parts
- 7. Solar cells are also known as these kind of cells
- 8. Used to capture geothermal energy
- 10. Turned by wind and hot water from ground to make electricity
Down
- 2. Catches wind to make energy
- 3. tool used in math that can run on a solar cell
- 5. The main source of energy for the Earth
- 6. Solar __ on a house catches photons from sun
- 9. energy that won't run out