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 A beaker of water was placed in a freezer until the water froze. What physical property of the water will remain the same throughout this entire process? TemperatureVolumeShapeFreezing point

6. 1 Freezing point Home

7. 2 What is the freezing point of water?

8. 2 About 0 °C

9. 3 Some chocolate drink powder is completely dissolved in milk. What is one physical property the milk and the chocolate solution of milk and drink mix share?

10. 3 They are both liquids.

11. 4 Why does a scientist repeat an experiment several times?

12. 4 To get more reliable results.

13. 5 Marbles are placed into a jar to represent matter. What process does shaking the jar faster and faster model? FreezingAdding heatPlayingRemoving heat

14. 5 Adding heat

15. 6 What process takes place as heat energy is added to water?

16. 6 evaporation

17. 7 Which of the following is a good conductor of heat? MetalPlasticPaper

18. 7 Metal

19. 8 A gas condenses into a liquid when it is –

20. 8 cooled.

21. 9 What change takes place first when heat is removed from water vapor?

22. 9 It turns into a liquid.