Unit 4 Midterm Weather Instruments and Concepts

What does a barometer measure?

• Wind speed

• Air pressure

• Dew point temperature

• Relative humidity

Which instrument measures wind direction?

• Anemometer

• Sling psychrometer

• Wind vane

• Barometer

What is the characteristic of a high-pressure system (HOC)?

• Low, inwards, counterclockwise

• High, outwards, clockwise

• Warm air, less dense, rises

• Lousy weather, converging air

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is the movement of air in wind belts?

• From low pressure to high pressure

• From high pressure to low pressure

• From east to west

• From north to south

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What does relative humidity measure?

• Temperature of the air

• Percentage of air full of water vapor relative to air temperature

• Speed of wind

• Air pressure

Tags

NGSS.MS-ESS2-4

What happens to warm, moist air during cloud formation?

• It sinks and cools

• It rises, expands, cools, and condenses

• It remains at the same level

• It heats up and disperses

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

What is the direction of wind movement in a hurricane?

• Clockwise and outward

• Counterclockwise and inward

• Clockwise and inward

• Counterclockwise and outward

Tags

NGSS.MS-ESS2-6

Which type of air mass is described as warm and wet, typically found over oceans?

• cP

• mP

• cT

• mT

Tags

NGSS.MS-ESS2-5

What happens to air pressure when converting a number less than 500?

• Add a 9 in front and place a decimal before the last digit

• Add a 10 in front and place a decimal before the last digit

• Subtract 10 and place a decimal before the last digit

• Subtract 9 and place a decimal before the last digit

What type of front is associated with heavy, short-lived precipitation and tornadoes?

• Warm front

• Cold front

• Stationary front

• Occluded front

Tags

NGSS.MS-ESS2-5