Cloud Formation

Which of these are clouds made up of?

• Air
• Nitrogen and Oxygen 
• Argon and Carbon Dioxide 
• Collections of tiny water and/or ice particles in the air and dust particles 

What are the three basic types of clouds?

• Cumulus, Stratus, Cirrus
• Stratus, Cottontails,  Mammatus
• Lenticular, Cumulus, Nimbus
• Lenticular, Cumulus, Nimbus

This type of cloud is thin, wispy, and made of ice crystals

• cumulus cloud
• stratus cloud
• cirrus cloud
• cumulonimbus cloud

The temperature at which water vapor condenses is the 

• relative humidity
• humidity
• freezing point
• dew point

What are the four classes of clouds based on altitude?

• cirrus, nimbus, stratus, cumulus
• low, middle, high, vertically developed
•  troposphere, stratosphere, mesosphere , thermosphere
• classes of clouds are not based on altitude

This type of cloud is thin and flat, and the edges are not clearly defined

• cirrus cloud
• cumulus cloud
• stratus cloud
• cumulonimbus cloud

This type of cloud is thick and puffy on top, and generally flat on the bottom. It has well-defined edges and can change shape rapidly.

• cumulus cloud
• stratus cloud
• cirrus cloud
• cloud 9

Cumulus and cirrus clouds can signal what type of upcoming weather?

• fair skies
• hot, sunny weather
• windy weather
• rainy weather

Which of the following is an example of a cloud of vertical development?

• nimbostratus cloud
• cumulonimbus cloud
• cirrus cloud
• stratus cloud

What type of cloud is this?

• cirrus
• cumulus
• stratus
• fog