Heat and Energy Transfer

What is the scientific meaning of heat?

• The transfer of thermal energy from one object to another

• An increase in temperature

• None of the above

• The opposite of cold

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True or False: When you place ice in a hot drink, the hot drink transfers energy to the ice.

• True

• False

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How does heat from the Sun warm Earth?

• Conduction

• Convection

• Radiation

• Insulation

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What are some real-world examples of how we use our understanding of heat to solve a problem?

• All of the above

• Hot Air Balloons

• Puffy Jackets

• Solar Cookers

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Why do you think water is used to cool things that get hot, like car engines?

• Water is always available

• Water feels good

• All of the above

• It takes more heat to raise the temperature of water than metal

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Which of the following is an example of a device that converts electrical energy into another form of energy?

• A speaker converts electrical energy into sound energy

• A toaster converts electrical energy into heat energy

• A lamp converts electrical energy into light energy

• All of the above

The type of thermal energy transfer that heats our homes is called ____________.

• Conduction

• Convection

• Radiation

• Insulation

The ability to make things happen" or "the ability to do work" is the definition of what word?

• Chemical Reaction

• Physical Change

• Energy

• None of the Above

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What is the Law of Conservation of Energy?

• All of the above

• Matter is not created or destroyed: it is just rearranged

• It is our responsibility to conserve energy by turning off lights

• Energy is not created or destroyed: it just moves from one place to another

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Energy that is transferred by direct contact

• Conduction

• Convection

• Radiation