Enviro Unit 7: Water Resources

97% of the world's water resources are found in

• Fresh water

• Salt water

• Ice caps and glaciers

• Groundwater

Earth's surface water is found in:

• Lakes, rivers, and streams

• Aquifers

• Wells

• Groundwater

Which of the following is an example of water pollution?

• Point-source pollution

• Nonpoint-source pollution

• Artificial Eutrophication

• All of the above

The three major global uses of fresh water are...

• Drinking, bathing, and growing crops

• Manufacturing goods, wastewater disposal, and irrigation

• Bathing, manufacturing goods, and wastewater disposal

• Residential, agricultural, and industrial

How do areas without adequate fresh water become habitable?

• Changing rainfall patterns

• Water conservation

• Water management projects have diverted water to the areas

• Areas without adequate fresh water cannot become habitable

A hole that is dug into the ground to obtain fresh water is called

• A well

• The recharge zone

• A watershed

• A hole

Which of the following is one way that a person can conserve water

• Using a low-flow shower head

• Water the lawn daily

• Taking a bath instead of shower

• Leaving the water on while washing hands/brush teeth

How much of Earth's water is fresh water?

• 3%

• 34%

• 77%

• 97%

Surface water becomes groundwater when it...

• Percolates into the ground and below the water table

• Enters a lake or rive

• Evaporates into the air

• Falls onto the ground

What is the highest usage of freshwater?

• Drinking

• Manufacturing goods

• Cooling power plants

• Irrigating crops