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Presentation on theme: "Choose a category. You will be given the answer. You must give the correct question. Click to begin."— Presentation transcript:

1

2 Choose a category. You will be given the answer. You must give the correct question. Click to begin.

3 Click here for Final Jeopardy

4 EnergyMath Energy Sources Transfer Transform Potpourri 10 20 30 40 50 10 20 30 40 50 30 40 50 Energy Forms

5 This is the unit for energy.

6 What is… The Joule?

7 This is the definition of energy.

8 What is… The ability to do work or cause change?

9 Potential Energy is energy that is ______ and these are the two examples of PE of a whole object.

10 What are… Stored, gravitational PE and elastic PE ?

11 Changing this factor has the greatest affect on kinetic energy.

12 What is… velocity?

13 The amount of work done to lift a stapler from the floor to the table is equivalent to this.

14 What is… The gravitational potential energy gained by the stapler?

15 The GPE of a 5 N object 15 m above the ground.

16 What is… 75 J? (5 kg * 15 m)

17 This is the weight of a 10 kg object on Earth.

18 What is… 980 N? (10 kg * 9.8 m/s/s)

19 This is the kinetic energy of a 12 kg object traveling at 8 m/s.

20 What is… 384 J? ( 0.5*12 kg*(8 m/s) 2 )

21 DOUBLE JEOPARDY!

22 This is the mechanical energy of a 6 kg object traveling at 24 m/s while 20 m above the Earth.

23 What is … 2904 J ? (GPE = 6*9.8*2 = 1176 J KE= 0.5*6*24*24=1728 J)

24 The mechanical energy of a 2 kg object is 365 J. The kinetic energy is 124 J. What is the gravitational potential energy of the object?

25 What is… 241 J? (365 J -124 J)

26 This is the form of energy associated with moving charged particles

27 What is… electrical?

28 This is the form of energy associated with the bonds between atoms.

29 What is… chemical ?

30 This is the form of energy associated with visible light.

31 What is… Electromagnetic?

32 This is the form of energy that is released when atoms combine or split.

33 What is… nuclear?

34 This is the form of energy associated with the total kinetic and potential energy of atoms.

35 What is… thermal?

36 The ______ energy from the wind is captured by a _____________.

37 What are… Mechanical and wind turbine?

38 This energy source can only be used to create electricity on a plate boundary or hotspot

39 What is… geothermal?

40 Creating ethanol from sugar cane is an example of using this source of energy.

41 What is… biomass?

42 In a hydropower plant the kinetic energy of the falling water is used to do this.

43 What is… Turn a turbine?

44 When using uranium or coal in a power plant heat is produced. These are the additional steps needed to make electricity.

45 What are… Heat water to steam, steam turns a turbine, turbine spins a generator which produces electricity

46 This occurs when energy goes from one object to anther object.

47 What is… Energy transfer ?

48 This occurs when energy goes from one form to another.

49 What is… Energy transformation?

50 This is the energy transformation that occurs in a generator.

51 What is… Mechanical  electrical?

52 This is the energy transformation that occurs in the sun.

53 What is… Nuclear energy  electromagnetic or thermal

54 This is the energy transformation that happens when a ball is tossed up in the air and comes back down.

55 What is… kinetic energy  gravitational potential energy  kinetic energy

56 Solar panels absorb this form of energy to create electricity

57 What is… electromagnetic?

58 In order to increase power you would decrease this.

59 What is… time?

60 Friction is this form of energy

61 What is … Thermal energy?

62 Whenever you do work to an object you are actually doing this.

63 What is… Transferring energy to the object?

64 The amount of energy put into a machine does not always equal the amount of energy the machine puts out. The law _______states that the energy was not destroyed and instead transformed into _____ energy.

65 What is… The law of conservation of energy and thermal?

66 Make your wager

67 Draw a graph representing the mechanical energy of a swinging pendulum (ignoring friction) over time. Include title and axis labels.

68 What is…


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