Groundwater
Freshwater
Water Cycle
Water Usage
Miscellaneous
100

A lack of precipitation for a long period of time.

What is a drought?

100

The percentage of the Earth's water that is fresh.

What is 3%?

100

The constant circulation of water from the atmosphere to the land and oceans and back again.

What is the hydrologic (or water) cycle?

100

The act of adding water to crops.

What is irrigation?

100

The chemical formula for water.

What is H2O?

200

The movement of water down through the Earth's surface.

What is infiltration?

200

Water-saturated lands where aquatic plants and animals live.

What are wetlands?

200

The source of energy for the hydrologic cycle.

What is the Sun?

200

A place where water is treated to make it safe to drink.

What is a water treatment plant?

200

The temperature at which water boils.

What is 100*C or 212*F?

300

The percentage of the Earth's surface covered with water.

What is 80%?

300

Most of the Earth's freshwater is locked away in these.

What are glaciers and ice caps?

300

The process by which vapor becomes a liquid.

What is condensation?

300

A pit, hole, or shaft sunk into the Earth to tap an underground source of water.

What is a well?

300

The temperature at which water freezes.

What is 0*C or 32*F?

400

Two possible sources of groundwater contamination.

What are landfills and septic tanks?

Also acceptable answers: feed lots, human waste, animal waste, fertilizers, and abandoned wells.

400

The name for a smaller stream that flows into a larger stream.

What is a tributary?

400

The release of water vapor by plants.

What is transpiration?

400

A tank used to hold waste from homes when a sewer line is not available.

What is a septic tank?

400

The three largest oceans.

What are the Pacific, Atlantic, and Indian?

500

The capacity of porous materials, such as sand and gravel, to transmit water.

What is permeability? 

500

The five Great Lakes.

What are Lakes Erie, Huron, Michigan, Ontario, and Superior?

500

The four most common types of precipitation.

What are rain, sleet, snow, and hail?

500
On average almost 26% of the water used in a home is to do this.

What is flush the toilet?

500

The percentage of the human body composed of water.

What is 66%?