Clouds and Their Impact

What is the main source of water vapor in the atmosphere?

• Clouds

• Volcanoes

• Animals

• Evaporation

Tags

NGSS.MS-ESS2-4

What are clouds made of?

• Air molecules.

• Pollution only.

• Water droplets or ice crystals.

• Dust particles only.

Tags

NGSS.MS-ESS2-4

Why does warm air rise in the atmosphere?

• No specific reason.

• Because it's less dense

• Because it wants to escape Earth.

• Because it's more dense

Tags

NGSS.MS-ESS2-6

What role do condensation nuclei play in cloud formation?

• They provide a place for water vapor to condense

• They heat the water vapor.

• They make the cloud visible.

What happens when water droplets or ice crystals in a cloud become too heavy?

• They fall as precipitation like rain or snow.

• They disappear.

• They dissolve into water vapor.

• They float in the air.

Tags

NGSS.MS-ESS2-5

Which statement best describes how a cloud is formed?

• The formation of clouds happens when water vapor in the air rises, cools, and condenses.

• The formation of clouds happens when water vapor in the air rises, warms, and condenses.

• The formation of clouds happens when water vapor in the air rises, warms, and evaporates.

• The formation of clouds happens when water vapor in the air rises, cools, and evaporates.

Tags

NGSS.MS-ESS2-4

The temperature of air high in the clouds is often much ________ than the temperature of the air close to the ground.

• colder

• humid

• dry

• higher

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6