Understanding Heat and Thermal Energy

What is heat?

• Heat is is the transfer of thermal energy.

• Heat is a form of light energy.

• Heat is the absence of cold.

• Heat is a type of matter.

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What is thermal energy?

• Thermal energy is the energy produced by electrical currents.

• Thermal energy is the energy stored objects.

• Thermal energy is the energy associated with gravitational forces.

• Thermal energy is the energy of moving particles that make up matter.

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What instrument is used to measure temperature?

• Hygrometer

• Thermometer

• Barometer

• Voltmeter

What does temperature tell us about an object?

• Temperature shows the shape of an object.

• Temperature indicates the color of an object.

• Temperature measures the weight of an object.

• Temperature tells us how hot or cold an object is.

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From which object does thermal energy move?

• An object with no temperature.

• from cooler objects to warmer objects.

• From warmer objects to cooler objects.

• An object in a vacuum.

What happens to the particles in a warm object?

• The particles move more faster and vibrate more.

• The particles move slower and vibrate less.

• The particles expand and lose their shape.

• The particles freeze and stop moving.

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Give an example of thermal energy transfer.

• A metal spoon getting hot in a cup of coffee.

• A block of ice melting in the sun.

• A cold metal spoon in a freezer.

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What happens to a cold cup when it touches hot tea?

• The cold cup warms up and the hot tea cools down.

• The cold cup shatters from the heat.

• The cold cup freezes the hot tea.

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