How Do Clouds Form

A cloud is formed when millions of water droplets join together with dust in the air.

• True

• False

Tags

NGSS.MS-ESS2-4

Clouds are made of

• water droplets

• ice crystals

• water vapor

• all of the above

Tags

NGSS.MS-ESS2-4

A contrail cloud is formed when an airplane's engine releases water vapor in the cold air.

• True

• False

Tags

NGSS.MS-ESS2-4

What two processes are involved in the formation of clouds?

• Radiation and conduction.

• Conduction and convection.

• Evaporation and condensation.

• Evaporation and conduction.

Tags

NGSS.MS-ESS2-4

When water condenses, the air has to cool to a certain temperature called the ____ _____.

Tags

NGSS.MS-ESS2-4

In order for water vapor to condense in the atmosphere, it needs a cold ______ to condense on.

Tags

NGSS.MS-ESS2-4

What is the primary process that leads to cloud formation?

• Evaporation

• Condensation

• Sublimation

• Precipitation

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

Which of the following is necessary for cloud formation?

• High temperatures

• Low humidity

• Dust particles

• Strong winds

Tags

NGSS.MS-ESS2-4

Clouds are primarily composed of what?

• Water vapor

• Water droplets and ice crystals

• Carbon dioxide

• Oxygen

What role do dust particles play in cloud formation?

• They absorb sunlight

• They act as nuclei for water vapor to condense on

• They increase air pressure

• They decrease humidity