Fresh Water Practice Test

Front

What drives the water cycle?

Back

The Sun is the energy source that drives the water cycle.

Front

What percentage of Earth's water is fresh water?

Back

Approximately 3% of Earth's water is fresh water.

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.

Front

What do we call water that falls to Earth as rain, sleet, hail, or snow?

Back

This is called precipitation.

Front

What process do plants use to release water into the atmosphere?

Back

Plants contribute to the water cycle through transpiration.

Front

What is evaporation?

Back

Evaporation is the process by which water changes from a liquid to a gas.

Front

What is condensation in the water cycle?

Back

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

Front

What is runoff?

Back

Runoff is the flow of water that occurs when excess rainwater, meltwater, or other sources flows over the Earth's surface.

Front

What role do oceans play in the water cycle?

Back

Oceans are a major source of evaporation, contributing to the water vapor in the atmosphere.

Front

What is groundwater?

Back

Groundwater is water that is stored beneath the Earth's surface in soil and rock layers.