Hydrology

Study the graph below.  Where is most of the Earth's water located?

• Rivers and Lakes
• Glaciers and Icecaps
• oceans
• groundwater

Tags

NGSS.MS-ESS2-4

How much of Earth's water is unavailable for humans to consume due to its high salinity? 

• 3%
• 23%
• 77%
• 97%

Why is MOST of the freshwater on Earth not available for our use?

• All freshwater on Earth is easily accessible for use.
• It is frozen in the icecaps and glaciers.
• It is surface water.
• It is underground.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Fresh water makes up what percent of the Earth's water?

• 5%
• 10%
• 4%
• 3%

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What is a watershed?

• Water in an area
• Water that flows into a river or stream
• Land that water flows over and through
• Water that is salty

Tags

NGSS.MS-ESS2-4

Most of the Fresh water on Earth is

• in the ocean
• underground
• frozen
• in rivers

Tags

NGSS.MS-ESS2-4

Which factor has the greatest effect on a community’s stores of fresh water?

• the location of the nearest ocean

• the average annual rainfall

• the location of the nearest mountain

• the average winter temperature

Tags

NGSS.MS-ESS2-4

The graph shows the distribution of the freshwater resources of Earth. Which of these sources of fresh water corresponds to Source 1?

• atmospheric water

• surface water

• frozen water

• groundwater

Tags

NGSS.MS-ESS2-4

Which of these is a freshwater reservoir?

• Gulf of Mexico

• Pacific Ocean

• Atlantic tidal basin

• Antarctic polar ice

Which is Earth’s largest source of drinkable water?

• lakes

• rivers

• oceans

• aquifers

Tags

NGSS.MS-ESS3-1