Air Pressure Review

El Nino causes wetter and colder winters in the Northern United States.

• True

• False

Answer explanation

Warmer and drier

La Nina typically results in drier and warmer conditions in the Southern United States.

• False

• True

During El Nino, the Pacific Ocean experiences warmer than average sea surface temperatures.

• True

• False

The Coriolis Effect happens because of

• Earth's revolution

• Earth's tilt

• Earth's rotation

• friction

In the Northern Hemisphere, the Coriolis Effect causes air to move _____________.

• to the right

• to the left

• to the right or left depending on the pressure gradient

• in a straight line

Friction can change wind speed and wind direction.

• True

• False

What global wind belt moves weather across the United States from West to East.

• Trade winds

• Polar Easterlies

• North-westerlies

• Westerlies

Isotherms connect

• Areas of equal temperature

• Areas of equal humidity

• Areas of equal air pressure

• Areas of equal wind speeds

The convection cells located on opposite sides of the equator moving warm air towards the poles are the

• Ferrell Cells

• Hadley Cells

• Johnson Cells

• Michael Cells

Areas of high winds speeds can be found on an isobar map by locating

• Isobar lines that are close together.

• Isobar lines that are spaced far apart.

• Areas where a high pressure and low pressure system are farthest apart.

• Areas where the temperatures fluctuate.