Convection Currents and Wind

Front

The horizontal (side to side) movement of air along Earth's surface is called ____________.

Back

Wind

Front

In convection, WARM air __________.

Back

Rises

Front

Warm air is ____________ than cold air and ___________.

Back

less dense; rises

Front

Air moves from areas of _____________ pressure, to areas of ______________ pressure.

Back

high; low

Front

Cool/cold air that sinks towards the Earth's surface creates a ______________ area?

Back

high pressure

Front

What is convection?

Back

The process by which warm air rises and cool air sinks, creating a cycle.

Front

What causes wind?

Back

Differences in air pressure caused by uneven heating of the Earth's surface.

Front

What is the relationship between air density and temperature?

Back

Warm air is less dense than cold air.

Front

What happens to air pressure as altitude increases?

Back

Air pressure decreases with increasing altitude.

Front

What is a convection current?

Back

A cycle of rising warm air and sinking cool air that creates wind patterns.