Questions about Snow and Clouds

Why don’t all clouds produce precipitation?

• Because they lack sufficient moisture

• Because they lack enough ice

• Because the air below is too dry

• All of the above

Tags

NGSS.MS-ESS2-4

Why don't clouds fall out of the sky?

• they produce enough heat to cause them to rise

• they don't weigh enough

• They are mostly empty space

• cumulonimbus clouds do fall

Virga is:

• A type of cloud

• Rain that evaporates before reaching the ground

• A type of wind

• very light rain or snow

Snow is:

• happens in clouds only in colder climates

• a group of ice crystals

• Frozen Rain

• is made after water comes out of the cloud

The Berergon Process

• involves collisions

• involves coalesence

• involves deposition of water vapor on ice crystals

• makes frost

By what process does a cloud produce snow?

• Condensation

• Evaporation

• Bergeron

What is the difference between a snow crystal and a snowflake?

• A snow crystal is a single ice crystal, while a snowflake is a cluster of snow crystals.

• A snow crystal is larger than a snowflake.

• A snowflake is a single ice crystal, while a snow crystal is a cluster of snowflakes.

• There is no difference between a snow crystal and a snowflake.

Can two snowflakes be identical?

• Yes, they can be identical.

• No, they cannot be identical.

• It is impossible to determine.

What is the basic shape of a snowflake (how many sides)?

• Four sides

• Five sides

• Six sides

• Eight sides

What are the conditions of the air if we are to receive snow?

• The air must be warm and humid.

• The air must be cold and dry.

• The air must be cold and moist.

• The air must be hot and dry.

Tags

NGSS.MS-ESS2-5