Across
- 5. Warm energy from the sun or from burning
- 6. Energy from the sun.
- 8. something that can be broken down naturally by tiny living organisms
- 10. Energy made by moving water
- 14. Not harmful to nature
- 17. Natural material made from decay food and plants
- 18. All the different living things in nature
- 19. To fix something that is broken
- 20. Machine that uses wind to make electricity
Down
- 1. A type of energy that powers lights, machines, and many everyday devices
- 2. Good for nature and can last a long time
- 3. The usual weather of a place over time
- 4. To make used things into new things
- 7. The natural world around us
- 9. A clear liquid that all living things need to survive
- 11. To use something again instead of throwing it away
- 12. Unwanted material that is thrown away
- 13. Things that make the environment dirty and impact the planet
- 15. To use less of something
- 16. Energy from natural sources that can be replaced naturally