Thermal Energy Quiz

What is thermal energy also known as?

• Light energy

• Sound energy

• Heat energy

• Electrical energy

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What happens to molecules when a substance heats up?

• They stop moving

• They move slower

• They move faster

• They disappear

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What is the effect of thermal energy on molecules?

• They become larger

• They move faster and bump into each other

• They change color

• They become smaller

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What is one way you can feel thermal energy?

• By seeing a rainbow

• By hearing music

• By feeling the warmth of the sun

• By smelling flowers

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What is the role of temperature in thermal energy?

• It decreases energy

• It has no effect

• It causes energy to rise

• It changes color

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What is a common source of thermal energy mentioned in the text?

• A refrigerator

• The sun

• A flashlight

• A book

What are the three types of thermal energy?

• Convection, conduction, and radiation

• Conduction, radiation, and evaporation

• Radiation, evaporation, and condensation

• Convection, evaporation, and conduction

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What is conduction?

• The flow of energy through touch

• The flow of energy through open space

• The flow of energy through liquids

• The flow of energy through gases

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Which of the following is an example of conduction?

• Placing a pot on a hot element

• Sunlight warming the Earth

• Boiling water in a pot

• Hot air moving in an oven

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What happens when your hand touches a warm mug?

• Conduction transfers energy to your hand

• Convection transfers energy to your hand

• Radiation transfers energy to your hand

• Evaporation transfers energy to your hand