20
QuizMultiple Choice

Atmospheric Moisture and Precipitation — Unit test

Question 20 • 2026-27 AL-Earth and Space Science

Which is an example of convection currents?

Answer
A
marshmallows toasting over a campfire
B
a pot being heated by an electric burner
C
feet getting hot when stepping across sand
D
a radiator emitting warm air and drawing in cool air

Explanation

Convection transfers heat through the movement of a fluid, such as air or water. A radiator warms nearby air, which rises, while cooler air moves in to replace it, creating a convection current. Therefore, the radiator emitting warm air and drawing in cool air is the example.

AI-written and checked against the verified answer.

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