1. CHAPTER 6 SECTION 3 REVIEW Matter and Heat

2. 1. What is a solid? A. Particles move fast enough to overcome some of the attraction between them, and so they can slide past one another. B. Particles move fast enough to overcome most of the attraction between them, and so they move independently of one another. C. Particles do not overcome the attraction between them, and so they vibrate in place. D. Particles move so slowly you can see them.

3. ANSWER: In a solid… C. Particles do not overcome the attraction between them, and so they vibrate in place.

4. 2. What is a liquid? A. Particles move fast enough to overcome some of the attraction between them, and so they can slide past one another. B. Particles move fast enough to overcome most of the attraction between them, and so they move independently of one another. C. Particles do not overcome the attraction between them, and so they vibrate in place. D. Particles move so slowly you can see them.

5. ANSWER: In a liquid… A. Particles move fast enough to overcome some of the attraction between them, and so they can slide past one another.

6. 3. What is a gas? A. Particles move fast enough to overcome some of the attraction between them, and so they can slide past one another. B. Particles move fast enough to overcome most of the attraction between them, and so they move independently of one another. C. Particles do not overcome the attraction between them, and so they vibrate in place. D. Particles move so slowly you can see them.

7. ANSWER: In a gas… B. Particles move fast enough to overcome most of the attraction between them, and so they move independently of one another.

8. 4. What are the states of matter? a.Solid b.Liquid c.Gas d.All of the above

9. Answer: d.All of the above

10. 5. Thermal energy added to a substance that is not changing state causes the substance’s temperature to… a.decrease. b.remain unchanged. c.increase. d.vary unpredictably.

11. ANSWER: c.increase.

12. 6. What determines a substance’s state of matter? a.The size of its particles. b.The amount of the substance. c.The speed of its particles and the attraction between them. d.The chemical energy that the substance has.

13. ANSWER: c.The speed of its particles and the attraction between them.

14. 7. Thermal energy added to a substance during a change of state causes the substance’s temperature to… a.decrease. b.remain unchanged. c.increase. d.vary unpredictably.

15. ANSWER: b.remain unchanged.

16. 8. Changes of state include… a.freezing. b.melting. c.boiling. d.all of the above.

17. ANSWER: d.all of the above.

18. 9. When you add heat to a combination of substances, breaking bonds and forming a new substance, the process is called a… a.change of state. b.change of mass. c.physical change. d.chemical change.

19. ANSWER: d. chemical change.

20. 10. When ice changes to a liquid, it absorbs energy. a. True b. False

21. ANSWER: a. True

22. 11. A calorimeter uses the increase in the temperature of water to… a.measure the heat given up to the water by another substance. b.measure the specific heat of another substance. c.measure the mass of another substance. d.measure the decrease in temperature of another substance.

23. ANSWER: a.measure the heat given up to the water by another substance.

24. 12. When a liquid evaporates, it absorbs energy. a. True b. False

25. ANSWER: a. True

26. 13. When a vapor condenses into a liquid, energy is given off. a. True b. False

27. ANSWER: a. True

28. 14. When a liquid boils, energy is absorbed. a. True b. False

29. ANSWER: a. True

30. QUIZ ON TUESDAY! Remember to study! Study some more! It’s your last quiz grade before winter break, so do your best!

31. ANSWER