High and Low Air Pressure

clear skies

• High Pressure

• Low Pressure

Tags

NGSS.MS-ESS2-5

As you climb up a mountain what happens to the air pressure?

• decreases

• increases

• stays the same

What causes winds?

• differences in precipitation

• differences in humidity

• differences in air pressure

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Does high air pressure systems SINK or RISE in the atmosphere?

• Sink

• Rise

Tags

NGSS.MS-ESS2-5

Do LOW air pressure systems SINK or RISE in the atmosphere?

• Sink

• Rise

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In _________ pressure systems, air sinks:

• high

• low

• medium

• none

Tags

NGSS.MS-ESS2-6

Which of the following best describes the surface wind circulation around the center of a High pressure system (as seen from above)?

• counterclockwise and spiraling outward

• counterclockwise and spiraling inward

• clockwise and spiraling outward

• clockwise and spiraling inward

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In a Low pressure system, air flows

• downward and outward in a clockwise spiral

• downward and inward in a counter-clockwise spiral.

• upward and outward in a clockwise spiral

• upward and inward in a counter-clockwise spiral.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In a High pressure system, air flows

• downward and outward in a clockwise spiral.

• downward and inward in a counter-clockwise spiral.

• upward and outward in a clockwise spiral.

• upward and inward in a counter-clockwise spiral

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

In a Low, air generally exhibits ascending motion. The rising air experiences ___________ atmospheric pressure. The ascending air ___________ and its temperature ___________ .

• increasing, expands, decreases

• decreasing, expands, decreases

• decreasing, is compressed, decreases

• increasing, is compressed, increases

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS3-4

NGSS.MS-PS3-5