Water Distribution and Salinity

There is about 2% of the Earth's freshwater frozen in icebergs.

• True
• False

There is only about 1% of freshwater available for use on Earth.

• True
• False

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

The salt that is in your salt shaker is the same salt that is in our oceans?

• true
• false

What happens to pressure as you go deeper into the ocean? 

• increases
• decreases
• stays the same
• doubles

In addition to salinity, what factor affects the density of seawater?

• depth
• latitude
• temperature
• salt content

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

The supply of freshwater under the Earth's surface.

• watershed
• mouth
• headwaters
• groundwater

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

• oceans
• freshwater lakes
• rivers
• icecaps/glaciers

Most of the Earth's water is in

• salty oceans
• freshwater lakes
• freshwater ponds
• glaciers