Across
- 1. gas A fossil fuel that's a flammable gas
- 4. Organic material from plants and animals
- 6. Material from trees used to create renewable resources
- 9. Energy from the sun
- 10. Particle decay used to create renewable resources
- 11. Energy that cannot replenish quickly
- 12. Uses flowing or falling water to create energy
- 14. Man made solar energy
- 15. Harnesses the kinetic energy of the ocean
Down
- 2. Energy that can replenish quickly
- 3. Air used to create energy
- 5. Sources that are safe and most are renewable
- 7. A fossil fuel used to power cars
- 8. Uses the earth's internal heat to create energy
- 13. A fossil fuel that's a black sedimentary rock