Water Resources, Problems, and Solutions

What percentage of Earth's surface is covered in water?

• 3%

• 30%

• 70%

• 97%

Tags

NGSS.MS-ESS2-4

Most water on Earth is found as:

• Saltwater

• Ice

• Groundwater

• Freshwater

Saltwater makes up ___ of the water on Earth

• 3%

• 30%

• 70%

• 97%

Most of the freshwater on Earth is found in:

• the oceans

• icecaps and glaciers

• groundwater aquifers

• lakes and rivers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Most of the liquid freshwater on Earth is found in:

• the oceans

• icecaps and glaciers

• groundwater aquifers

• lakes and rivers

Tags

NGSS.MS-ESS2-4

An aquifer is

• an artificial (manmade) lake

• a frozen store of water

• a manmade river

• an underground store of water

Tags

NGSS.MS-ESS3-1

What is the purpose of a dam?

• To block the flow of a river so we can store water in a reservoir.

• It can turn saltwater into drinkable freshwater.

• We use it to take groundwater out of aquifers.

An artificial (manmade) lake, created by building a dam, used to store water:

• reservoir

• aquifer

• well

• glacier

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Used to pull water up from an aquifer:

• dam

• well

• reservoir

• glacier

A frozen river of ice that can store large amounts of freshwater:

• Reservoir

• Dam

• Aquifer

• Glacier

Tags

NGSS.MS-ESS2-4