What does it mean when we say there is no such thing as cold?

• Cold is a form of light.

• Cold is just the absence of heat.

• Cold is a type of energy.

• Cold is a substance that floats in the air.

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What is temperature a measure of?

• The weight of an object.

• The color of an object.

• The kinetic energy of atoms in an object.

• The amount of cold in an object.

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Which method of heat transfer involves the movement of fluids?

• Conduction

• Convection

• Radiation

• Insulation

Why is an iceberg able to warm up a pool more than a boiling tea kettle?

• Because it contains more thermal energy.

• Because it has a higher temperature.

• Because it is larger in size.

• Because it is made of water.

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What would happen if you put a thermometer in deep space?

• It would show the temperature of the sun.

• It would break due to extreme cold.

• It would not show any reading due to insufficient matter.

• It would show a high temperature due to high kinetic energy of atoms.

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NGSS.MS-PS1-4

Why does blowing on a cup of tea help it cool down?

• It increases the tea's temperature.

• It removes the tea's flavor.

• It adds more heat to the tea.

• It enhances heat transfer by convection.

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Why does a wind on a cold day make us feel colder?

• It stops all air movement.

• It moves less jiggly, colder air into contact, increasing heat loss.

• It brings warmer air into contact with us.

• It increases the air's kinetic energy.

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NGSS.MS-PS1-4

Why does the tile floor feel colder than the carpet?

• It has fewer atoms that are more spread out.

• It is actually colder in temperature.

• It is made of a different color material.

• It has more atoms closely packed that can transfer heat faster.

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What would be the consequence of touching your tongue to a frozen flagpole?

• Nothing would happen.

• Your tongue would stick because of rapid heat transfer.

• It would taste sweet.

• It would feel warm.

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NGSS.MS-PS1-4

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What is the role of entropy in the universe according to the second law of thermodynamics?

• To decrease energy uniformly.

• To spread energy out, leading to a uniform energy state across the universe.

• To increase energy in localized areas.

• To maintain energy levels constant.

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