How 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

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

• True

• False

Clouds are made of

• water droplets

• ice crystals

• water vapor

• all of the above

Tags

NGSS.MS-ESS2-4

Cirrus clouds are

• puffy

• thin and wispy

• layered

What is the primary factor that determines the type of cloud formed?

• The time of day

• The altitude at which condensation occurs

• The amount of pollution in the air

• The phase of the moon

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

On what surfaces did the water vapor condense inside the bottle?

• On the inside of the bottle.

• On the smoke particles and inside of the bottle.

• On the inside of the cap.

Tags

NGSS.MS-PS1-4

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

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

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

Condensation nuclei in the atmosphere could include:

• smoke

• dust

• pollen

• sea salt