Patterns of Circulation in Earth's Atmosphere

Front

These winds blow from 30 degrees latitude in both hemispheres almost to the equator. (Hint: winds are named for the direction from which they blow.)

Back

easterlies

Front

What is the main cause of air circulation in the Earth's atmosphere?

Back

energy from the sun

Front

How do winds behave near the equator?

Back

Winds are mostly weak because the equator is a region of mostly low air pressure.

Front

How is air movement usually named?

Back

the direction it is coming from

Front

Which way does wind usually blow?

Back

from areas of high pressure to areas of low pressure

Front

The Coriolis effect causes the wind in both hemispheres to _______ because of the rotation of the earth.

Back

curve

Front

As air cools, its particles move ________________, which means its density has _______________.

Back

closer together / increased

Front

Cool air ____________, causing __________ air pressure.

Back

sinks / higher

Front

Cold air spreads out, causing the warm air, which has a ___________ air pressure, to _____________.

Back

lower / rise

Front

If the air above the water is warm, and the air above the land is cool, which way will the wind blow?

Back

From the water to the land.