Heat Transfer

What type of energy transfer takes place when solid objects are touching?

• Convection

• Conduction

• Radiation

• Insulation

Which of the following is a good conductor of heat?

• Wood

• Copper

• Styrofoam

• Paper

Which of the following is an example of heat transfer by radiation?

• Using a metal spoon to stir hot soup

• A hot air balloon rising

• Ice melting in your hand

• Feeling warm next to a campfire

Why are you advised not to pick up a handful of change that's been sitting in the sun?

• It might be dirty

• The change could be counterfeit

• It could be too hot due to conduction

• It's considered bad luck

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What happens to a gas or liquid when it is heated?

• It evaporates immediately

• It freezes

• It expands and rises

• It contracts and sinks

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Which material is considered a poor conductor of heat?

• Iron

• Silver

• Air

• Copper

What is radiation in the context of heat transfer?

• The circulation of air due to temperature differences

• The movement of heat through solids

• Electromagnetic waves transferring heat

• The process of heating food in an oven

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Why does heat always move from hot objects to colder ones?

• It's a misconception; it moves randomly

• Because of gravitational forces

• Due to chemical reactions

• To maintain equilibrium

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