Openscied Weather Unit

A front is

• where warm air is cooling at earth's surface
• a line where hot and cold air are separating
• a line where two different air masses meet
• where cold air is rising and forming rain clouds

Tags

NGSS.MS-ESS2-5

Which most likely produces clear, cool weather?

• zero air pressure
• stable air pressure
• a low pressure system
• a high pressure system

Tags

NGSS.MS-ESS2-5

_____________ air is more dense and tends to sink

• cold
• warm
• moist
• dry

Tags

NGSS.MS-ESS2-5

Which system results in rainy or stormy weather?

• high pressure
• low pressure
• hurricane
• weather system

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which system results in drier, fairer weather?

• high pressure
• low pressure
• hurricane
• weather system

Tags

NGSS.MS-ESS2-5

Does lightning or thunder come first?

• thunder
• lightning
• it depends

An air mass is a large mass of air that is defined by its temperature and ____________________.

• Elevation (altitude)

• Water vapor content (humidity)

• Strength

• Weather

Tags

NGSS.MS-ESS2-5

Why does warm air rise above cold air?

• Warm air is less dense

• Warm air is more dense

• Cold air is stronger than warm air

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

An instrument that determines the direction from which the wind is blowing is called a(n) ______________.

• anemometer
• wind sock
• wind vane
• barometer

What measures the amount of rain that has fallen over a specific time period?

• rain gauge
• barometer
• anemometer
• thermometer