Freshwater

Earth is known as the water planet. How much of the water that covers Earth is freshwater?

• about 97%

• about 50%

• less than 1%

• about 3%

Tags

NGSS.MS-ESS2-4

Which of the following is not a function of freshwater lakes, ponds, or reservoirs?

• 
  source of drinking water for urban communities

• 
  habitat for wetland wildlife

• recreational site for swimming and fishing

• 
  haven for marine wildlife

What benefits do wetlands provide?

Select all that apply.

• Wetlands provide habitat for plants and animals.

• Wetlands help to store water to prevent flooding.

• 
  Wetlands naturally purify water.

• Wetlands make land unusable for development.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Where is most of Earth's freshwater found?

• glaciers

• rivers

• lakes

• groundwater

Tags

NGSS.MS-ESS3-1

True or False: The oceans contain the majority of water on Earth.

• true

• false

Tags

NGSS.MS-ESS2-4

In the water cycle, which choice is an example of a reservoir?

• the atmosphere

• a glacier at the south pole

• the ocean

• all of the above

Tags

NGSS.MS-ESS2-4

In the diagram, the rain and snow represent which part of the water cycle?

• condensation

• transpiration

• evaporation

• precipitation

Tags

NGSS.MS-ESS2-4

What do we call the streams that drain into larger streams or rivers?

• wetlands

• estuaries

• tributaries

• arteries

Tags

NGSS.MS-ESS2-4

All of the land drained by a river system is called its basin, or ______.

• wetlands

• estuaries

• watersheds

• oceans

How do ponds differ from lakes?

• 
  Ponds have no outlet, while lakes drain through a river or stream

• 
  Lakes are often fed by underground springs

• Ponds are larger than lakes

• 
  Lakes have no outlet, while ponds drain through a river or stream