Heat Transfer — Quiz

Question 1

Which is an example of convection?

Revolt · Accepted Answer

Above the sea, warm air rises, cools, and sinks.

Question 2

Which two conditions must exist in order for radiation to occur?

Revolt · Accepted Answer

a temperature difference and the presence of electromagnetic waves

Question 3

Convection can occur in which two substances?

Revolt · Accepted Answer

air and water

Question 4

Question 4

Revolt · Accepted Answer

[Dropdown 1] waves; waves

Question 5

Substance X is placed in a container with substance Y. Both substances are fluids. Substance X initially sinks to the bottom of the container. After five minutes of being heated on a hot plate, substance X becomes less dense than substance Y. What will most likely happen next?

Revolt · Accepted Answer

Substance X will rise due to convection.

Question 6

Question 6

Revolt · Accepted Answer

[Dropdown 1] thermal; thermal

Question 7

Question 7

Revolt · Accepted Answer

[Dropdown 1] fluids; fluids

Question 8

Which is an example of radiation?

Revolt · Accepted Answer

A rock is warmed by an ultraviolet heat lamp.

Question 9

Which best describes a wave?

Revolt · Accepted Answer

a disturbance that carries energy

Question 10

Thermal energy from the Sun travels to Earth by

Revolt · Accepted Answer

electromagnetic waves.

Heat Transfer — Quiz Answers

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