Water Characteristics

The surface of the world is covered in what percent of water? 

• 78%
• 90%
• 97%
• 70%

The majority of the water in the world is stored in _______. 

• oceans
• the atmsosphere
• the ground
• rivers

What percent of water is salt water?

• 97%
• 90%
• 4% 
• 3%

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

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

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

What is the scientific name for salt? 

• Sodium Acetate 
• Sodium Chloride 
• Chloride sodium 
• Hydroxide sulfate