1. Grade 10
Lesson 1

2. Get Ready

3. Who causes these changes?

4. Are people friendly to the earth?

5. Are people friendly to oceans?

7. Are people friendly to air?

8. Are people friendly to the seas?

9. Are people friendly to animals?

10. Are people friendly to animals? (wildlife)

11. Are people friendly to the forests?

12. What are the results of these actions?
- to the animals (wildlife)
-to the trees (plants)
-to the human beings

13. Some endangered animals: Iranian Cheetah

14. Polar bears

15. Asian Elephants

16. Black Rhino

17. Tigers

19. What can humans do to save nature?

20. Humans can save water to take care of nature:

21. Humans can save electricity to take care of nature:

22. They can plant trees

23. They can take care of the endangered animals in the zoo

24. They can teach people about the importance of nature:

25. What do you think we can do to save nature?