Conduction, Convection, Radiation

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Which situation best represents convection?

A hot air balloon taking off.

Which of the following is the best example of conduction?

An egg cooking in a frying pan.

In heat transfer, heat always flows from the _______ substance to the ______ substance.

Hotter to Colder

Which statement is true?

The quicker a molecule moves, the warmer it is.

Which situation best represents conduction?

Touching a hot piece of metal.

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

Conduction

The type of heat transfer that happens through direct contact of molecules or particles with each other is________.

Conduction

Marcie played outside in the snow with her friends, wearing her wool hat. She went inside to warm up. When she took her hat off, she realized that it was very warm. What happened?

Conduction between Marcie's warm body and the hat occurred and the hat remained warm because it is an insulator.

A large house being heated by heater warms a house when the air is circulating?

Convection

Students performed an experiment with hot and cold water. They dyed the hot water red and the cold water blue. When the students layered the water, they noticed the hot water rose to the top and the cold water sank. What type of energy transfer is this?

Convection

_______ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

Convection

Which of the following is NOT a conductor?

Oven Mitt

The kind of heat transfer that travels through space in electromagnetic waves is ________.

Radiation

When you use a microwave, what is the main way that heat is transferred?

Radiation

Which statement is true about radiation?

Radiation is the transfer of heat through electromagnetic waves.

Two objects at different temperatures are in contact. Which of the following happens to their thermal energy?

Thermal energy passes from the warmer object to the cooler object.


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