Exploring Heat Transfer: Conduction, Convection, and Radiation

What is the primary way heat is transferred from a hotter object to a cooler one?

• It depends on the material

• From higher to lower temperature

• From lower to higher temperature

• Equally in both directions

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which factor directly affects the amount of thermal energy in an object?

• Shape of the object

• Color of the object

• Location of the object

• Mass of the object

How does heat transfer by conduction occur?

• Through electromagnetic waves

• By the movement of particles in a fluid

• Through direct contact between objects

• By the expansion of gases

What is an example of conduction?

• Microwaves heating food

• Sunlight warming your skin

• Warm air rising and cool air sinking

• Heat traveling down a metal pot handle

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NGSS.MS-PS3-3

What is convection?

• Heat transfer through electromagnetic waves

• Heat transfer through direct contact

• Heat transfer by radiation

• Heat transfer by the movement of particles in a fluid

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NGSS.MS-ESS2-5

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Which natural phenomenon is primarily caused by convection?

• Earthquakes

• Ocean currents

• Magnetic fields

• Solar flares

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NGSS.MS-ESS2-6

How does radiation transfer heat?

• By conduction

• Through direct contact

• By the movement of particles in a fluid

• Through electromagnetic waves

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NGSS.MS-PS4-2

Which of the following is an example of radiation?

• Heat traveling through a metal rod

• Sunlight warming your skin

• Warm air rising

• Heat from a stove burner

What is the key difference between radiation and the other two forms of heat transfer?

• It requires a medium to travel through

• It can travel through empty space

• It only occurs in solids

• It is slower than conduction and convection

Which method of heat transfer is responsible for the warmth felt from a fire?

• Conduction

• Convection

• All of the above

• Radiation