Convection Flashcards

(5 cards)

1
Q

What is convection?

A

The flow of thermal energy through a liquid or a gas caused by movement of the liquid or gas itself.

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2
Q

What happens to molecules when heated?

A

They gain Kinetic Energy causing them to move faster and vibrate more.

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3
Q

Describe what happens to a cup of hot tea as it reaches thermal equilibrium?

A

The tea will cool down, and the room might become slightly warmer.

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4
Q

What is an example of convection?

A

When water is heated, the hotter, less dense water at the bottom rises and the colder, more dense water sink to take its place.

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5
Q

What is convection current?

A

A circular movement of fluids or gases, caused by differences in temperature and density.

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