Water

Water Basics

100

This essential resource do all living things need to survive.

Water

200

Water covers about 71% of this planet’s surface.

Earth

300

The process by which water turns from liquid to gas.

Evaporation

Aquifers

100

A slow-recharging water source underground that we pump for drinking and farming.

Aquifer

200

Overusing aquifers can cause the land to do this.

Sink

300

This aquifer in the U.S. is very large and is being depleted.

Ogallala

Water Threats

100

Polluted water can spread this.

Sickness/disease

200

This type of pollution comes from farms and can cause algal blooms.

Farm runoff

300

This type of reused water from sinks and showers can help save water, but can also cause pollution if not treated properly.

Greywater

Water Treatment

100

Waste water is required by law to be ___ before it is released back to the environment.

Treated

200

Water that is drinkable is called ____.

Potable

300

One of the two types of desalination (removing salt from water).

Reverse osmosis or distillation