5. Properties Properly

10. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

11. This type of observation always uses numbers

12. Numbers

13. Devices used to measure the speed of molecules

14. Thermometers

15. Unit of Mass in the SI system

16. Kilogram

17. Unit of Volume in the SI system

18. Liters

19. Scientists who are using one or more of their senses are doing this

20. Making observations

21. Color and texture are two examples of this type of property

22. Physical

23. The ability of a material to combuest is what type of property?

24. Chemical

25. The term for the temperature at which a liquid becomes a gas

26. Boiling Point

27. Most substances undergo this change when heat is added

28. They expand

29. This chemical property is present when substances slowly react with oxygen

30. Rust

31. Salt dissolved in water would be considered a what?

32. Mixture

33. Substances like 24K gold are considered to be what kind of substance?

34. Pure

35. The most common mixture found in the atmosphere

36. Air

37. These are two or more elements chemically combined

38. Compounds

39. These form from 2 or more substances that can be separated easily

40. Mixtures

41. Found to the left of the arrow in a chemical equation

42. Reactants

43. These are two processes that involve reaction with oxygen

44. Rust and combustion

45. Law stating that energy can be neither created nor destroyed

46. Conservation of energy

47. The law of conservation of matter dictates that both sides of a chemical equation must do this

48. Balance

49. The term for reactions releasing heat or light or both

50. Exothermic

51. A push or a pull

52. Force

53. This contact force allows an object to float in a fluid

54. Buoyancy

55. The force that acts on all objects all the time

56. Gravity

57. This is the tendency of an object in motion to stay in motion

58. Inertia

60. The force of gravity depends upon these two factors

61. Mass and Distance

62. The term for the energy of motion

63. Kinetic

64. When you drop a golf ball, this decreases when kinetic energy increases

65. Gravitational Potential Energy

66. Plants take radiant energy and convert it to this type of energy

67. Chemical Energy

68. Your body converts chemical energy into what type of energy?

69. Kinetic Energy

70. To calculate kinetic energy, you must multiply these two factors

71. Mass and Speed

72. The process some countries use to kill bacteria and other microbes from food

73. Ionized radiation