WATER (SCIENCE 4.4.3)

What fraction of Earth's surface is covered with water?

• One-fourth

• Three-fourths

• Half

• Two-thirds

What percentage of Earth's water is saltwater found in oceans and seas?

• 90%

• 97%

• 50%

• 75%

About how much water on Earth is freshwater?

• 25%

• 10%

• 3%

• 50%

Freshwater can be found in all of the following locations EXCEPT:

• Lakes

• Rivers

• Oceans

• Springs

Groundwater comes from:

• Oceans

• Streams

• Rain absorbed by the ground

• Saltwater from seas

What happens to rainwater that is not absorbed by the ground?

• It travels into oceans

• It evaporates immediately

• It flows as runoff into streams and brooks

• It disappears

What are the two main divisions of Earth's surface?

• Water and glaciers

• Land and water

• Soil and air

• Mountains and rivers

How is rainwater classified that contributes to rivers and brooks?

• Saltwater

• Freshwater

• Polluted water

• Groundwater

Three-fourths of Earth's surface is covered by water. What does the remaining one-fourth consist of?

• Land

• Ice

• Mountains

• Sand

About 3% of Earth's water is:

• Found in seas

• Freshwater

• Contaminated water

• Salty runoff