Across
- 2. Formed deep beneath Earth’s surface
- 6. Energy from sun
- 7. Resources Substance found naturally in Earth
- 8. Does not run out
- 9. thermal Energy produced from heat within the Earth
- 10. Most essential resource on Earth
Down
- 1. Fuels Non-Renewable resources
- 3. Energy from moving water
- 4. used up more quickly than replaced
- 5. Gas Cheapest source of energy