Heat and Thermal Energy Quiz

What is the difference between heat and thermal energy?

• They are the same thing

• Heat is always greater than thermal energy

• Thermal energy is the energy within a system, while heat is the transfer of this energy

• Thermal energy only exists in solids

When the temperature of an object decreases, what has happened?

• The object has gained mass

• The particles in the object are moving faster

• The particles in the object are moving slower

• The object has changed color

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What factors determine the thermal properties of a material?

• Only its color

• Its mass and what it's made of

• How old it is

• Its shape and size only

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We use convection to regulate temperature in our homes. How is this an example of using heat in our everyday lives?

• It's the cheapest method

• It doesn't require electricity

• It causes air to circulate as it's heated and cooled

• It works faster than other methods

Which of the following materials is a good conductor of heat?

• Wood

• Plastic

• Copper

• Rubber

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What happens to the particles in a gas when it is heated?

• The particles decrease in size

• The particles move faster

• The particles move slower

• The particles stop moving

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Which arrow represents vaporizing?

• Gas to Liquid

• Liquid to Gas

• Solid to Liquid

• Gas to Solid

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Adding thermal energy to matter makes the particle motion ____________, while decreasing the thermal energy of matter makes the particle motion _____________.

• Speed Up / Slow Down

• Slow Down / Speed Up

• Remain the same / Speed Up

• Speed Up / Remain the same

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The arrows in the picture below show changes of state. Select the two changes of state that can be caused by cooling.

• Freezing and Condensing

• Melting and Vaporizing

• Freezing and Melting

• Condensing and Vaporizing

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What does vaporization mean?

• a process that causes a substance to change from a solid to a liquid

• conversion of a substance from the liquid or solid phase into the gaseous phase.

• a gas (like water vapor) changes state to become a liquid (water)

• a phase transition where a liquid turns into a solid

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