1. Why does ice cream drip down your hand ?

2.what happens when you and heat a solid, liquid or gas ?

3.what happens when enough heat is add to a solid ?

4. What happens when enough heat is add to a liquid ?

5.what is melting ?

6. what does heat do to particles in a solid?

7.what is the melting point ?

8. what is evaporation ?

9. are 2 examples of sublimation ?

10. What is boiling ?

11. what happens when a substance is cooled ?

12.what happens to a substance if enough heat is removed from it ?

13. what is freezing ?

14. what is frost ?

15. How is snow formed ?

16. what is the opposite of freezing ?

17. what is condensation ?

18. what is our lung full of ?

19. What is steam ?

20. what is mercury's melting point ?