U3M2L1: Water in the Atmosphere

Front

What is the water cycle?

Back

The water cycle is the continuous process by which water moves from the Earth's surface to the atmosphere and back, involving processes like evaporation, condensation, and precipitation.

Front

What is evaporation?

Back

Evaporation is the process by which liquid water turns into water vapor and enters the atmosphere, usually due to heat.

Front

What is condensation?

Back

Condensation is the process by which water vapor cools and changes back into liquid water, forming clouds.

Front

What is precipitation?

Back

Precipitation is any form of water, such as rain, snow, sleet, or hail, that falls from the atmosphere to the Earth's surface.

Front

What is transpiration?

Back

Transpiration is the process by which plants release water vapor into the atmosphere through small openings in their leaves called stomata.

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What is crystallization?

Back

Crystallization is the process by which a liquid turns into a crystalline solid, often as it cools.

Front

What role do clouds play in the water cycle?

Back

Clouds form when water vapor condenses in the atmosphere, and they can lead to precipitation when they become heavy with water.

Front

What is the difference between evaporation and transpiration?

Back

Evaporation is the process of water turning into vapor from any surface, while transpiration specifically refers to water vapor released by plants.

Front

How do animals contribute to the water cycle?

Back

Animals contribute to the water cycle through processes like respiration, where they release water vapor into the atmosphere.

Front

What is the significance of the water cycle for life on Earth?

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The water cycle is essential for maintaining ecosystems, providing fresh water for drinking, agriculture, and supporting plant and animal life.