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The ability to do work is?

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Presentation on theme: "The ability to do work is?"— Presentation transcript:

1 The ability to do work is?

2 energy.

3 The energy of motion?

4 Kinetic energy

5 What is stored energy due to its position or condition?

6 Potential energy

7 The sum of Potential energy and kinetic energy is?

8 Mechanical energy

9 Gravitational Potential energy depends on what two things?

10 Height off the ground and weight

11 Heat energy is known as

12 Thermal energy

13 Energy of a reaction between elements or anything burning is known as?

14 Chemical energy

15 When electrons move it creates this type of energy

16 Electrical energy

17 Energy created by vibrations through the air

18 Sound energy

19 Energy created by vibrating charged particles?

20 Light energy

21 Energy created by fusing or splitting of atoms

22 Nuclear

23 When one energy is transformed to another type of energy this is known as a ____ _____.

24 Energy Conversion

25 This law states that energy can never be created nor destroyed only transferred

26 Law of conservation of energy

27 A natural resource that can be easily replaced is known as

28 Renewable

29 A natural resource that is not easily replaced and may take millions of years to replace

30 Non renewable

31 3 fossil fuels are

32 Coal Petroleum ( Oil ) Gas

33 The alternate energies that are renewable are?

34 Solar, Wind, Geothermal, Biomass, and Water

35 4 Non renewable resources are

36 Nuclear energy from Uranium Coal Oil Gas

37 The measure of average kinetic energy of particles

38 temperature

39 The transfer of energy from warmer objects to cooler objects

40 Heat

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

42 Thermal Expansion

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

44 Kinetic theory of matter

45 The transfer of thermal energy by direct contact is known as

46 Conduction

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

48 Convection

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

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

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

52 Thermal energy

53 The average kinetic energy of atoms in a substance is ___

54 Temperature

55 Solid changing to a liquid is

56 Melting point

57 A gas changing to a liquid as energy is released is

58 condensation point

59 Boiling Point of water is ____degrees Celsius ____ degrees Fahrenheit

60 Boiling Point of water is 100 degrees Celsius 212 degrees Fahrenheit

61 Going from a liquid to a solid where energy is released is ____point

62 Freezing Point

63 Freezing Point of water is ____degrees Celsius ____ degrees Fahrenheit

64 Freezing Point of water is 0 degrees Celsius 32 degrees Fahrenheit

65 The amount of heat needed to heat 1 g of substance 1°C

66 Specific Heat

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

68 Insulation

69 What instrument is used to measure specific heat

70 A calorimeter

71 Are pictures used to detect thermal energy

72 thermographs

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

74 R-value for walls = R-19 R-value for ceilings = R-30 to R-44

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

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


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