Pressure Systems and Clouds

When do pressure systems occur?

• When masses of air molecules push down from above

• When the sun is shining

• When it is raining

• When the wind is calm

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is a cloud?

• A visible collection of tiny water droplets or ice crystals suspended in the air

• A group of stars in the sky

• A patch of fog on the ground

• A gust of wind

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

How do clouds form?

• As warm air rises, is cooled below its dew point, and condenses

• When the sun shines on water

• When wind blows over mountains

• When air descends rapidly

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

What type of cloud forms in layers when air movement is mainly horizontal?

• Stratus clouds

• Cumulus clouds

• Cirrus clouds

• Nimbus clouds

Tags

NGSS.MS-ESS2-5

What are cirrus clouds always made of?

• Water droplets

• Dust particles

• Ice crystals

• Rain

Tags

NGSS.MS-ESS2-4

What is the main difference between cumulus and stratus clouds?

• Cumulus clouds form in layers, stratus in piles

• Stratus clouds are feathery, cumulus are puffy

• Cumulus clouds grow upward, stratus form in layers

• Stratus clouds are made of ice, cumulus of water

Tags

NGSS.MS-ESS2-5

What type of cloud would you expect to see if the air movement is mainly horizontal?

• Cumulus

• Cirrus

• Stratus

• Nimbus

Tags

NGSS.MS-ESS2-5

What does the term "Stratus" mean when describing clouds?

• Wispy, curly

• Rain

• Heaped, piled

• Sheet like

Match the following Clouds

• Cirrus

• 
• Nimbostratus

• 
• Stratus

• 
• cumulous

• 
• Cumulonimbus

• 

Tags

NGSS.MS-ESS2-5