1. Welcome to... A Game of X’s and O’s

2. Another Presentation © 2000 - All rights Reserved markedamon@hotmail.com

3. 789 456 123

4. 789 456 123 Scoreboard X O Click Here if X Wins Click Here if O Wins

5. 1 Cooling air is to condensation as boiling water is to.

6. 1 Evaporation Home

7. 2 If you kept heating a saucepan of boiling water, the water’s temperature would –

8. 2 remain at 100 °C.

9. 3 You breathe on a mirror and droplets of water form. This is an example of –

10. 3 condensation.

11. 4 A gas condenses into a liquid when –

12. 4 heat energy is removed.

13. 5 Which of the following is a poor conductor of heat? IronCopperPaperSteel

14. 5 paper

15. 6 A student blows up a balloon. Is the air-filled balloon heavier or lighter than the uninflated balloon?

16. 6 heavier

17. 7 Which of the following would be attracted to a magnet? Iron nailCopper pennyGlass lensPlastic lid

18. 7 Iron Nail

19. 8 What patterns of change take place as more and more heat is added to a solid?

20. 8 A solid turns into a liquid and then a gas.

21. 9 What is the approximate boiling point of pure water?

22. 9 100 °C