Exploring the Science of Cloud Formation

What happens to a glass of iced tea when left outside on a hot day?

• It boils.

• It evaporates.

• It sweats.

• It freezes.

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What is the process called when water forms on the exterior of a glass?

• Precipitation

• Sublimation

• Condensation

• Evaporation

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What is the primary component of the air around us that is crucial for cloud formation?

• Water vapor

• Oxygen

• Nitrogen

• Carbon dioxide

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What happens to water from Earth's surfaces to become part of the air?

• It condenses.

• It evaporates.

• It freezes.

• It sublimates.

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What is the term for the temperature at which air reaches its maximum saturation?

• Dew point

• Freezing point

• Boiling point

• Melting point

What is the lapse rate?

• The rate at which air cools with height

• The rate at which air evaporates

• The rate at which air heats with height

• The rate at which air condenses

What are the tiny particles in the air called that water vapor condenses onto?

• Ice crystals

• Water droplets

• Condensation nuclei

• Dust particles

What forms when many cloud droplets accumulate?

• Fog

• A cloud

• Snow

• Rain

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Why do clouds constantly change shape?

• Because of the constant motion of the atmosphere

• Because of the Earth's rotation

• Because of the sun's heat

• Because of the moon's gravity

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What is the key process for cloud formation?

• Condensation

• Sublimation

• Conduction

• Evaporation

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