Across
- 5. to make air, land, or water dirty
- 6. the way someone thinks, feels, and behaves
- 8. away to die peacefully
- 10. power energy from the sun
- 13. to use something again instead of throwing it away
- 14. power energy made by splitting atoms
- 15. energy that powers lights and machines
- 16. generations people who will live in the future
- 18. awareness to help people notice or care about an issue
- 20. energy energy that does not cause pollution
- 21. something new that someone creates
- 22. knowledge or understanding of a situation
- 23. all people born around the same time
- 24. a person who studies or works in science
Down
- 1. a kind of ape that lives in Africa
- 2. the natural world around us
- 3. a difference to cause a positive change
- 4. able to be continued without harming nature
- 6. to keep safe from harm
- 7. everything in the world not made by humans
- 9. an exciting or unusual experience
- 11. turbine a machine that makes power from the wind
- 12. something done successfully
- 17. a duty to take care of something
- 19. electronic products that are no longer used