## How the Atmosphere is Warmed

## Convection Currents

All About Convection

Take the Pressure Quiz

Take the Density and Convection Quiz

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All About Convection

Take the Pressure Quiz

Take the Density and Convection Quiz

The layer of gases that surrounds a planet or star.

The force exerted on a surface by the mass of the air above it.

Tiny droplets of water, usually high in the air.

To squeeze the molecules into a smaller volume. (TG, SRB)

A circular movement of fluid (such as air) that is the result of

uneven heating of the fluid.

uneven heating of the fluid.

Having the component parts closely compacted together; crowded.

A nonliving substance that makes up or comes from the earth.

The movement of energy from one place to another, or the change of

energy from one form to another.

energy from one form to another.

To rest or remain on the surface of a liquid.

A material, such as water, that can absorb a large amount of heat.

The force or push caused by moving molecules.

The result of different amounts of energy being transferred to

adjacent surfaces.

adjacent surfaces.

Air in motion. (TG, SRB)

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