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4. Describing Matter Measuring Matter Solids, Liquids, And Gases Behavior of Gases Physical & Chemical Changes 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Particles Of Matter

5. Properties for a given substance that never change and can be used to identify the substance

6. What are characteristic properties?

7. The temperature at which a liquid boils

8. What is boiling point?

9. “ The best mixed ” of all possible mixtures

10. What is a solution?

11. A substance made up of only one kind of matter that has definite properties

12. What is a pure substance?

13. A pure substance formed from chemical combinations of two or more different elements

14. What is a compound?

15. A measurement of how much matter an object contains

16. What is mass?

17. A measure of the force of gravity pulling on an object

18. What is weight?

19. The amount of space that matter occupies

20. What is volume?

21. The measurement of how much mass is contained in a given volume

22. What is density?

23. A system of measurement based on multiples of ten and on established measures of mass, length, and time; used by scientists to measure the properties of matter

24. What is the International System of Units (SI)?

25. The smallest particle of an element

26. What is an atom?

27. A group of atoms that are joined together and act as a single unit

28. What is a molecule?

29. The force that holds two atoms together

30. What is a chemical bond?

31. Greek philosopher who suggested that there were smallest possible “ pieces ” of everything

32. Who is Democritus?

33. British schoolteacher who inferred that atoms can ’ t be broken into smaller pieces

34. Who is John Dalton?

35. A state of matter with a definite shape and a definite volume

36. What is a solid?

37. A state of matter with a definite volume but with no definite shape

38. What is a liquid?

39. Any substance that “ flows ”

40. What is a fluid?

41. The resistance of a liquid to flowing

42. What is viscosity?

43. A state of matter with no definite volume and no definite shape

44. What is a gas?

45. A measure of the average energy of motion of the particles of a substance

46. What is temperature?

47. The force exerted on a surface divided by the total area over which the force is exerted

48. What is pressure?

49. When the temperature of a gas is increased at constant temperature, the volume of the gas decreases

50. What is Boyle ’ s Law?

51. When the temperature of a gas is decreased at constant pressure, its volume increases

52. What is Charles ’ s Law?

53. What are three properties of a gas that you can measure?

54. What are volume, temperature and pressure?

55. A change that alters the form of a substance but does not change it to another substance

56. What is a physical change?

57. A change that creates a new substance with different properties

58. What is a chemical change?

59. A change in state from a solid to a liquid

60. What is melting?

61. A change in state from a liquid to a solid

62. What is freezing?

63. A change in state from a liquid to a gas

64. What is vaporization?

65. Make your wager

66. The principle that energy cannot be created or destroyed; thus, the total amount of energy remains the same during physical or chemical change

67. What is the law of conservation of energy?