Air Pressure & Wind

What is air pressure?

• The force of air moving in one direction

• The pressure exerted by the weight of air

• The amount of air in a particular area

• The temperature of the air

Tags

NGSS.MS-ESS2-6

What instrument is used for measuring air pressure?

• Thermometer

• Anemometer

• Barometer

• Hygrometer

What is a pressure gradient?

• A device that measures atmospheric pressure

• The amount of pressure change occurring over a given distance

• A graphical representation of pressure readings

• The difference in temperature causing wind

Tags

NGSS.MS-ESS2-5

What effect does Earth's rotation have on free-moving objects such as water and wind?

• It has no effect

• It causes them to move in a straight line

• It causes them to be deflected to the right in the Northern Hemisphere

• It causes them to be deflected upwards

Tags

NGSS.MS-ESS2-6

What are jet streams?

• Slow-moving rivers of air that travel close to the ground

• Fast-moving rivers of air that travel between 120 and 240 kilometers per hour in a west-to-east direction, above the friction layer

• Cold air masses that move from the poles towards the equator

• Warm air currents that rise from the equator towards the poles

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

What are cyclones?

• Centers of high pressure where wind blows clockwise

• Centers of low pressure, in which wind blows counterclockwise

• Large-scale air masses that rotate around a strong center of low atmospheric pressure

• High altitude winds that have a circular motion

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

What happens when air falls?

• It leads to an increase in temperature

• It causes storms and heavy rainfall

• It produces clear skies/fair weather

• It increases the humidity in the air

Tags

NGSS.MS-ESS2-5

What causes the atmosphere to balance out differences in temperature?

• The rotation of the Earth on its axis

• The movement of warm air toward the poles and cold air toward the equator

• The Coriolis effect

• The non-rotating Earth model

Tags

NGSS.MS-ESS2-6

What are trade winds?

• Winds that blow from polar high to subpolar low

• Winds that blow east to west in the middle latitude

• Winds that blow in an easterly direction each side of the equator

• Winds that blow from land to sea during the night

Tags

NGSS.MS-ESS2-6

Which instrument is commonly used to measure wind speed?

• Barometer

• Thermometer

• Anemometer

• Hygrometer