Heat Transfer 6 grade flashcard 24/25

Front

What is the definition of CONVECTION?

Back

a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

Front

What kind of heat transfer happens when the sun is heating your body?

Back

Radiation

Front

Which of the following is an example of convection? A hair dryer is drying up your hair., When the AC or heater changes the temperature., When a car engine turns hot after being turned on., When you are making soup and the water is rising and lowering.

Back

When you are making soup and the water is rising and lowering.

Front

The way the heat is moving from the hot coffee is called...

Back

convection

Front

This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:

Back

Convection.

Front

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

Back

convection

Front

The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.

Back

radiation

Front

Walking on the warm sand with your bare feet demonstrates this type of heat transfer.

Back

conduction

Front

Ironing a shirt is an example of...

Back

conduction

Front

Warm air is __________ dense than cold air and rises creating convection currents.

Back

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