Earths Water Sources

Where is most of the freshwater found on Earth?

• lakes
• glaciers/ icecaps
• oceans
• rivers

Most of the Earth's water is in

• salty oceans
• freshwater lakes
• freshwater ponds
• glaciers

Which source of freshwater is not easily available for human use?

• oceans
• freshwater lakes
• rivers
• icecaps/glaciers

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

What is an underground layer of rock or soil filled with water called?

• Aquifer
• Spring
• Well
• Reservoir

What is the water that fills the cracks and spaces in underground soil and rock layers called?

• Groundwater
• Water Table
• Precipitation
• Snow

Permeability is: 

• The amount of space and air between grains in a sediment.
• The ability for water to pass through a sediment.

A sheet of ice that moves slowly over land is a(n)

• glacier
• iceberg
• ice cap
• ice sheet

The process that removes salt from water in order to obtain fresh water suitable for animal consumption or irrigation.

• salinization
• desalinization
• presalinization
• antisalinization