1. Phasing Out For Sale Chiggity-Change

2. 100 200 300 400 500

3. Which of the following is NOT a characteristic of a liquid? a.indefinite shape and definite volume b.particles move more than in a solid but less than in a gas c.takes the shape of its container d.very low energy bonding the particles

4. very low energy bonding the particles

5. Which of the following is NOT a characteristic of a gas? a.high energy bonding the particles b.very low energy bonding the particles c.no definite shape or volume d.large amount of space between particles

6. high energy bonding the particles

7. How do liquid water, ice, and water vapor differ from each other? a.They are made of different kinds of molecules. b.They are different compounds. c.They are different states of matter. d.They are made of different kinds of atoms.

8. They are different states of matter.

9. Which of the following is NOT a characteristic of a solid? a.definite shape and volume b.vibrating particles c.indefinite shape and definite volume d.high energy bonding the particles

10. indefinite shape and definite volume

11. Matter is anything that has _________ and takes up ____________________.

12. Matter is anything that has MASS and takes up SPACE (volume).

13. A towel hanging in the sun dries by what process?

14. evaporation

15. Condensation is the process of a _________ turning into a __________.

16. Condensation is a gas turning into a liquid.

17. As a liquid turns into a solid, what happens to the particles?

18. They get closer together, don’t move around as much, and the energy bonding the particles increases.

19. The temperature that water freezes is ____________ the temperature it melts.

20. The freezing point is the same as the melting point. (they’re just going in opposite directions._

21. 100 200 300 400 500 300

22. Which is a sign that a chemical change is occurring? -Boiling -Freezing -Bubbling -Melting

23. Bubbling

24. Which is a physical change? -burning paper -baking cookies -corroding metal -making Kool-Aid

25. Making Kool-Aid

26. One example of a chemical change is -filtering -burning wood -boiling water -crushing a can

27. burning wood

28. Which of the following is NOT an example of a chemical change? -gas burning on a stove -rust forming on an iron fence -salt dissolving in a glass of water -using electricity to break down water into hydrogen and oxygen

29. salt dissolving in a glass of water

30. The only sure evidence for a chemical reaction is -the formation of a gas -a color change -the production of one or more new substances -changes in properties

31. the production of one or more new substances

32. True or False? In a chemical reaction, chemical bonds are formed or broken.

33. True! Bonds have to break or form to make new substances.

34. True or False? A chemical reaction may be detected by observing changes in the properties of matter.

35. True! The properties let us see what has happened.

36. What gas must be present for combustion to take place?

37. Oxygen. You can’t have fire without O 2 !

38. True or False? Iron rusting is an example of a physical change.

39. False! Rust is a sign of a CHEMICAL reaction.

40. A precipitate is a _________ that forms from a solution during a chemical reaction.

41. Solid! (Like the chucks floating in the milk when you mixed it with vinegar…eew!)

42. The production of a gas is a sign of what type of change?

43. Chemical (baking soda and vinegar)

44. 100 200 300 400

45. If you heat a liquid and measure the temperature at which it boils, which property are you measuring?

46. Physical Property

47. If you describe methane as a gas that easily catches fire, you are describing what type of property?

48. Chemical Property

49. Which statement refers to a physical property of a substance? - Carbon combines with oxygen to form carbon dioxide. -Zinc metal reacts with an acid to produce hydrogen gas. -The density of copper is 8.93 g/cm 3. -Acids are corrosive.

50. The density of copper is 8.93 g/cm 3.

51. Which statement describes a chemical property of matter? -Rust is a flaky material with an orange-red color. -Sodium is a very reactive element that combines easily with nonmetals. -The boiling point of ethanol is 78.4 o C. -The density of ice is 0.4 g/mL.

52. Sodium is a very reactive element that combines easily with nonmetals.

53. What two things do you have to know to calculate a substance’s density?

54. Mass and Volume

55. What are the two types of properties of matter?

56. Physical and Chemical

57. Hardness, texture, color, and freezing point are examples of ____________________ properties of matter.

58. Physical