80/100

What instrument measures wind speed?

Anemometer

What instrument measures atmospheric pressure?

Barometer

Which pressure value represents extremely high atmospheric pressure?

1040 mb

What is considered extremely low atmospheric pressure?

870 mb

What happens to atmospheric pressure when air is heated?

Pressure decreases

When air is cooled, what happens to its pressure?

Decreases

What happens to the density of warm air?

Decreases

Cool air is generally:

More dense

Warm air tends to:

Rise

Which of these best describes the relationship between air pressure and temperature?

Inversely proportional

What causes the differences in heating of Earth’s surface?

Earth’s tilt and curvature

How does the Earth’s rotation affect wind?

Causes Coriolis effect

A horizontal movement of air is called:

Wind

Vertical movement of air due to heating is called:

Convection

What drives the general circulation of Earth’s atmosphere?

Solar energy

Which wind belt affects the U.S. the most?

Westerlies

Trade winds blow from:

East to west

Which region has little to no wind?

Doldrums

The doldrums are located near:

Equator

Polar easterlies blow from:

East to west near the poles