Clouds and Cloud Formation

Air must be cooled to its _, and there must be a solid surface on which water molecules can condense.

• evaporation point

• dew point

• rain level

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

Dust, salt, soil, and smoke are examples of cloud condensation nuclei.

• true

• false

The lowest clouds in the atmosphere are _. They are think and flat, and their edges are not clearly defined.

• cumulus

• stratus

• cirrus

The four classes of clouds based on _ are low clouds, middle clouds, high clouds, and clouds of vertical development.

• attitude

• altitude

_ clouds form between Earth's surface and 2,000 m altitude.

• middle

• low

• high

_ are rain clouds.

• Stratus

• Cumulus

• Nimbostratus

_ clouds from between 2,000 m and 6,000 m altitude.

• Low

• Middle

• High

The prefix alto- is used to name middle clouds.

• true

• false

_ clouds form above 6,000 m altitude.

• Low

• Middle

• High

Tags

NGSS.MS-ESS2-4

_ can rise high into the atmosphere.

• High

• Middle

• Clouds of Vertical Development