Water Distribution

Front

What is the main source of Earth's fresh water?

Back

Most of Earth's fresh water is contained in glaciers and groundwater.

Front

What layer does water move through until it reaches an impermeable layer?

Back

Water moves through Earth's layers until it reaches an impermeable layer.

Front

What are aquifers?

Back

Aquifers are underground layers of water-bearing rock that store water.

Front

What percentage of Earth's water is fresh water?

Back

3% of Earth's water is fresh water.

Front

What percentage of Earth's water is salt water?

Back

97% of Earth's water is salt water.

Front

What are the two main reservoirs that contain almost all of Earth's fresh water?

Back

Glaciers and groundwater.

Front

What is the water table?

Back

The water table is the upper surface of the zone of saturation, where the soil or rock is fully saturated with water.

Front

What is the difference between permeable and impermeable layers?

Back

Permeable layers allow water to pass through, while impermeable layers do not.

Front

What is a reservoir in the context of water distribution?

Back

A reservoir is a natural or artificial lake used to store water.

Front

How does water get into aquifers?

Back

Water gets into aquifers through precipitation that seeps into the ground.