examples

1. Reversible and Irreversible
change

2. Reversible change
A change that can go forward
or backward

3. Reversible change

4. Reversible change

5. Reversible change

6. Irreversible change
A change that cannot go
backward

7. Irreversible change

8. Irreversible change

9. Irreversible change

10. Is it reversible or irreversible change ?
Folded paper
reversible

11. Is it reversible or irreversible change ?
Blowing a balloon
reversible

12. Is it reversible or irreversible change ?
Burning wood
irreversible

13. Is it reversible or irreversible change ?
Iron rust
irreversible

14. Is it reversible or irreversible change ?
Melting butter
reversible

15. Is it reversible or irreversible change ?
Burning match stick
irreversible

16. Is it reversible or irreversible change ?
Toasting bread
irreversible

17. Is it reversible or irreversible change ?
Freezing orange juice
reversible

18. Is it reversible or irreversible change ?
Dissolving salt in water
reversible

19. Is it reversible or irreversible change ?
Melting wax
Burning thread irreversible
reversible

20. Is it reversible or irreversible change ?
Ice turning into water
reversible