Cloud Formation

Cloud Formation

Meteorology Section #3 Re-test Study Guide

​Check your notes to see that you have all of the information to the right.

​Clouds form when air rises. As the air goes up it will expand due to lower pressure above. When air expands, its temperature will decrease. If the temperature cools to the dewpoint condensation forms as a cloud.

Notice the key words as you read.

Multiple Choice

What is the process through which clouds are formed?

• Evaporation

• Condensation

• Precipitation

• Sublimation

Reorder

Arrange the words in order of how clouds form.

• RISE

• EXPAND

• COOL

• CONDENSE

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

What are condensation nuclei?

• The middle of a cloud

• Always smoke from forest fires.

• The center of an atom that contains protons and neutrons.

• Particles that provide a surface for water vapor to condense onto, enabling the formation of cloud droplets