Water Distribution

Front

What is the main source of Earth's water?

Back

The main source of Earth's water is the ocean, which holds about 97% of all water on Earth.

Front

What percentage of Earth's water is freshwater?

Back

Only about 3% of Earth's water is freshwater.

Front

True or False: Most of Earth's freshwater is stored as groundwater.

Back

False. Most of Earth's freshwater is stored in glaciers and ice caps.

Front

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

Back

The ocean holds most (97%) of Earth's water and is a key component in the water cycle.

Front

True or False: Most of Earth's water is salt water.

Back

True. Approximately 97% of Earth's water is salt water.

Front

How much of Earth's freshwater is available for human use?

Back

Only a small fraction of freshwater is available for human use, as most is trapped in glaciers or underground.

Front

What is groundwater?

Back

Groundwater is water that is stored underground in soil and rock layers.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.

Front

What happens to water when it evaporates?

Back

When water evaporates, it changes from a liquid to a gas (water vapor) and enters the atmosphere.

Front

What is the process of condensation in the water cycle?

Back

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