Class 4 - Our Water Resources

Less than 3% of the water on earth is

• salt water

• freshwater

• ice

• polluted

Most of the world's freshwater is found here?

• ocean

• lakes

• rivers

• glaciers

Most of our drinkable water is found where?

• ponds

• ocean

• groundwater

• pool

Groundwater accumulates very quickly.

• True

• False

What are the two main problems with water?

• overuse and pollution

• frozen and too salty to drink

• too many fish and pollution

• color and taste

The continuous movement of water between Earth and its atmosphere

• precipitation

• water cycle

• homeostasis

• infiltration

Resources that we obtain from nature are known as:

• Man-made resources

• Natural resources

• God gift

• Forest resources

Careful use of a natural resource is called ____.

• desalination
• water reclamation
• irrigation
• conservation

A system of canals and pipes that supply fresh water to farm fields for growing crops is ____.

• aqueduct
• irrigation
• spring
• desalination

A place that collects and stores water is a(n) ______.

• water table
• groundwater
• well
• reservoir