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EnergyForms of Energy
Forms of Energy
Continued
Conservation of Energy
Heat Transfer Heat Transfer
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Jan turns on a lamp so she can read. What type of energy provided by the lamp helps Jan read?
A. Nuclear energyB. Electromagnetic energyC. Chemical energyD. Thermal energy
Answer
100 points
B. Electromagnetic Energy
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What kind of energy is produced by the vibrating particles when the strings of an acoustic guitar are plucked?
A. Chemical energyB. Nuclear energyC. Electrical energyD. Sound energy
Answer
200 points
D. Sound Energy
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What kind of energy is involved in the movement of the blades of a windmill when moving air or wind strikes it?
A. Mechanical energyB. Nuclear energyC. Electrical energyD. Electromagnetic energy
Answer
300 points
A. Mechanical Energy
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This is the energy associated with the motion of an object.
A. Thermal EnergyB. Electrical EnergyC. Sound EnergyD. Mechanical Energy
Answer
400 points
D. Mechanical Energy
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This is the total amount of energy in all of the particles contained in a sample of matter. Heat is often associated with this type of energy.
A. Mechanical EnergyB. Thermal EnergyC. Sound EnergyD. Electrical Energy
Answer
500 points
B. Thermal energy
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This is the type of energy that is stored in chemical bonds. For example, batteries have this type of energy.
A. Nuclear energyB. Sound energyC. Electromagnetic energyD. Chemical energy
Answer
100 points
D. Chemical Energy
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Computers, radios, televisions, and lamps are all examples of devices that operate using this type of energy.
A. Electrical energyB. Nuclear energyC. Thermal energyD. Mechanical energy
Answer
200 points
A. Electrical energy
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This type of energy results from the motion of particles within atoms. Light, x-rays, and microwaves are all examples of this type of energy.
A. Nuclear energyB. Sound energyC. Electromagnetic energyD. Electrical energy
Answer
300 points
C. Electromagnetic energy
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This energy is given off by a vibrating object and travels in the form of waves.
A. Nuclear energyB. Sound energyC. Electromagnetic energyD. Chemical energy
Answer
400 points
B. Sound energy
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This is the energy stored in the nucleus of an atom as a result of the nuclear forces. A. Mechanical energyB. Thermal energyC. Chemical energyD. Nuclear energy
Answer
500 points
D. Nuclear energy
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Which of the following correctly states the law of conservation of energy?
A. Energy cannot be created or destroyed but can be converted from one form to another
B. Energy can be created or destroyed, as well as being converted from one form to another
C. Energy is created when it is converted from one form to another
D. In most systems, some energy is destroyed and lost as heat
Answer
100 points
A. Energy cannot be created or destroyed but can be converted
from one form to another
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At what point in the picture is the kinetic energy the greatest and potential energy lowest?
A. 1B. 2C. 3D. 4
Answer
12
3
4
200 points
D. 4
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Using the formula Potential Energy = mass x height what is the potential energy of a rock with a mass of 50 kg that rests at the edge of a cliff 125 meters high?
A. 2.5JB. 50JC. 125JD. 6,250J
Answer
300 points
D. 6250 J
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If energy is never lost, then what causes a rolling ball to eventually stop?
A. MomentumB. Potential energyC. Chemical energyD. Friction
Answer
400 points
D. Friction
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When energy is transformed from one form to another, some energy is often wasted in the form of
A. HeatB. WaterC. IceD. Atoms
Answer
500 points
A. Heat
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Earth receives energy from the sun by
A. ConvectionB. ConductionC. RadiationD. Temperature
Answer
100 points
C. Radiation
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You have four containers of water. The water in each container is at the same temperature. Which container has the greatest thermal energy?
A. A 5-mL containerB. A 10-mL containerC. A 15-mL containerD. A 50 mL container
Answer
200 points
D. A 50 mL container
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In what direction does heat move?
A. From warmer to cooler objectsB. From cooler to warmer objectsC. Between objects of equal temperatureD. In all directions
Answer
300 points
A. From warmer to cooler objects
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The picture below shows the movement of thermal energy from a hot liquid to a metal spoon. What method of heat transfer is occurring?
A. ConductionB. ConvectionC. RadiationD. Temperature
Answer
400 points
A. Conduction
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In a toaster, electrical energy is converted into thermal energy within the coils inside the toaster. Heat from the coils is used to toast the bread. How is the heat from the coils transferred to the bread?
A. ConvectionB. ConductionC. RadiationD. Currents
Answer
500 points
C. Radiation
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What type of heat transfer is occurring in the picture below?
A. ConductionB. ConvectionC. RadiationD. None
Answer
100 points
A. Conduction
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What type of heat transfer is occurring in the picture below?
A. ConductionB. ConvectionC. RadiationD. None
Answer
200 points
B. Convection
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What type of heat transfer is occurring in the picture below?
A. ConductionB. ConvectionC. RadiationD. None
Answer
300 points
C. Radiation
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What type of heat transfer is occurring in the picture below?
A. ConductionB. ConvectionC. RadiationD. None
Answer
400 points
B. Convection
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What type of heat transfer is occurring in the picture below?
A. ConductionB. ConvectionC. RadiationD. All of the above
Answer
500 points
D. All of the above
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