6th Science-Water resources

What is a key factor in providing fresh water?

The oceans

What is water stored beneath the surface of the earth?

Ground water

The path that shows how water is replaced and reused is?

Water cycle

What are the materials on earth that God provides for our use?

natural resources

Oceans contain how much of the earth's water?

97%

All the water on the earth including lakes, streams, oceans, soil, underground and air is called?

Hydrosphere

Low water level in a well is called?

Drawdown

Frozen ocean water that is NOT fresh water is what?

sea ice

Huge expanses of ice on land?

Ice sheet

Tiny ocean plants that have a key role in gas exchange?

Phytoplankton

What are the three 'Rs' of conservation?

Reduce, reuse and recycle

Snow and rain are forms of condensed water vapor falling to the earth called?

Precipitation

Evaporation is what?

the process in which water leaves the earth and goes into the atmosphere

What is the term for water vapor in the air?

Humidity

What are layers of sand, gravel or bedrock that hold or move ground water?

Aquifer

Where is most of the earth's fresh water?

Antarctica

What are desalination facilities for?

They remove the salts and minerals from ocean water.