Across
- 4. dirty or dangerous things in the air water or land
- 6. something that can be used again instead of thrown away
- 8. the clear liquid we drink and that falls as rain
- 9. an element found in things like fuel and pollution
- 10. sticks used for eating food
- 11. to turn old materials into new products
- 14. the coolest teacher in the world ever
- 16. using power from electricity instead of fuel
Down
- 1. relating to energy from the sun
- 2. how happy healthy and comfortable people are
- 3. power used to make things work like lights or machines
- 5. the planet we live on
- 7. something that is true and can be proven
- 8. moving air that can be used to make electricity
- 11. to make something smaller or use less of it
- 12. to save something and not waste it
- 13. a place where garbage is buried in the ground
- 15. trash left on the ground in public places