1. The flow of electrons is called?

2. Electricity

3. A constant flow of charge is called?

4. current

5. The unit that current is measured in is _____ and is measured by an _____meter.

6. Amperes is the unit and an Ammeter measures the flow of current.

7. The potential difference inside a battery is called?

8. Voltage

9. The unit that voltage is measured in is _____ and is measured by a _____meter.

10. Volt is the unit and is measured by a voltmeter .

11. The opposition to electric charge is called?

12. Resistance

13. Resistance is measured in ____ and the symbol looks like?

14. Ohms is the unit and looks like the omega symbol 

15. V = I x R if solving for Resistance the formula would look like?

16. V = IR I I R = V I

17. A conductor is …. And three examples are ?

18. A material that allows heat and electricity to flow through it easily
A material that allows heat and electricity to flow through it easily. 3 ex.’s are: copper, aluminum, silver,

19. An insulator is…and 3 examples of insulators are?

20. An insulator is a material that does not allow heat and electricity to flow through them easily. 3 ex.’s are: glass, rubber, plastic, wood

21. The law of electric charge states…

22. Like charges (+ & + or - &-) will repel and opposite charges ( + & - ) will attract.

23. A build up of charges on an object is called?

24. Static electricity

25. A rapid transfer of electrons in the form of lightning or a shock.

26. Electric discharge

27. Current flowing in one direction is called ____?

28. Direct Current

29. Alternating Current is …

30. Current that changes direction forward and backward.

31. A cell or battery consists of 2 things what are they?

32. Electrodes where charge enters or exits (like the metals you put into the potato) and the electrolyte (either wet like salt water or dry like the solid potato)

33. The source of electricity in a circuit is the ___?

34. Battery

35. A series circuit is…

36. A circuit that has one path for electrons to flow and if one light goes out in the path the rest will go out b/c there is a break in the circuit.

37. A parallel circuit is …?

38. A circuit that has more than one path for electricity to follow and if one light goes out the rest will stay on b/c there is more paths to follow!

39. A step up ____ will increase voltage and a step down ___ will decrease voltage.

40. Transformer

41. A device that changes mechanical energy to electrical energy.

42. generator

43. A coil of wire and magnets that converts electrical charge into mechanical energy.

44. motor

45. A temporary magnet made by wrapping a current carrying wire around an iron core it will create an ______?

46. Electromagnet

47. The rate at which electrical energy is used to do work P = V x I

48. Electric Power

49. The measure of average kinetic energy of particles

50. temperature

51. The transfer of energy from warmer objects to cooler objects

52. Heat

53. An increase in volume of a substance due to an increase in temperature is known as Thermal _____.

54. Thermal Expansion

55. When atoms move faster and spread out due to an increase in temperature this is known as the ____ theory of matter.

56. Kinetic theory of matter

57. The transfer of thermal energy by direct contact is known as

58. Conduction

59. The transfer of thermal energy through the movement of matter (fluids – liquids or gasses)

60. Convection

61. Warm air or water rises because it is ____ ____ and cooler air or water sinks because it is ___ ____.

62. Warm air or water rises because it is less dense and cooler air or water sinks because it is more dense.

63. The total energy of a atoms in a substance is known as ____ energy

64. Thermal energy

65. The average kinetic energy of atoms in a substance is ___

66. Temperature

67. Solid changing to a liquid is

68. Melting point

69. A liquid changing to a gas at as energy is absorbed is

70. Boiling point

71. Boiling Point of water is ____degrees Celsius ____ degrees Fahrenheit

72. Boiling Point of water is 100 degrees Celsius 212 degrees Fahrenheit

73. Going from a liquid to a solid where energy is released is ____point

74. Freezing Point

75. Freezing Point of water is ____degrees Celsius ____ degrees Fahrenheit

76. Freezing Point of water is 0 degrees Celsius 32 degrees Fahrenheit

77. The amount of heat needed to heat 1 g of substance 1°C

78. Specific Heat

79. Reduces the flow of heat by conduction, convection, & radiation.

80. Insulation

81. What instrument is used to measure specific heat

82. A calorimeter

83. Are pictures used to detect thermal energy

84. thermographs

85. R - value measures the effectiveness of insulators what R-value should we use for walls? Ceilings?

86. R-value for walls = R-19 R-value for ceilings = R-30 to R-44

87. If both have the same temperature, which has more thermal energy… a cup of water or a lake

88. The lake because it has more mass, thus more thermal energy!