Across
- 3. A place you can see animals
- 4. Using less of something (e.g. energy)
- 7. Type of energy (e.g. solar)
- 9. Type of energy (e.g. oil)
- 13. Our planet
- 14. The biggest threat to the planet's health
- 15. A problem caused by factories, cars, and garbage
- 17. Using something more than once (e.g. bottles)
Down
- 1. Elephant tusks are made out of this material
- 2. Endangered animal from China
- 5. When a species is close to extinction
- 6. Cutting down trees
- 8. The largest mammal in the world
- 10. An animal hunted for its horn
- 11. When a species no longer lives
- 12. Water that is not deep
- 16. The air we need to breathe