Groundwater Awareness

Most of Earth's liquid freshwater is made up of groundwater.

Water gets underground when it precipitates, like with rain or snow, and the ground soaks up the falling water.

Sand is good at absorbing groundwater.

<p>The region where the soil is not saturated with water is called the unsaturated zone.</p> Signup and view all the answers

<p>Much of the world's groundwater is stored in underground water reservoirs called aquifers.</p> Signup and view all the answers

<p>An aquifer is a large underground layer of rock or sediment that holds water.</p> Signup and view all the answers

<p>The Ogallala Aquifer is one of the world's largest aquifers, located in the Great Plains of the U.S.</p> Signup and view all the answers

<p>Geysers form when underground water is heated by magma, causing pressure to build up and escape at the surface.</p> Signup and view all the answers

<p>Natural ecosystems depend on groundwater because it provides a source of freshwater for surface water systems, plants, and animals.</p> Signup and view all the answers

<p>Sinkholes are funnel-shaped cavities in the ground that occur when groundwater is removed, causing the land to sink downward and fill the empty space.</p> Signup and view all the answers