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 happens to water molecules when they evaporate?

Back

When water molecules evaporate, they gain energy, move away from each other, and change from a liquid to a gas.

Front

What is water vapor?

Back

Water vapor is the gaseous form of water that is present in the air.

Front

What occurs during condensation?

Back

During condensation, 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 evaporation?

Back

Evaporation is the process by which liquid water changes into water vapor due to heat.

Front

What happens to water molecules when they freeze?

Back

When water freezes, the molecules lose energy, move closer together, and change from a liquid to a solid.

Front

What is runoff?

Back

Runoff is the flow of water, from rain or melting snow, that moves over the ground and returns to rivers, lakes, and oceans.

Front

What is the role of the sun in the water cycle?

Back

The sun provides the energy needed for evaporation, driving the water cycle.

Front

What is the difference between evaporation and transpiration?

Back

Evaporation is the process of water turning into vapor from surfaces like oceans and lakes, while transpiration is the release of water vapor from plants.