watershed

What is a watershed?

• Land that collects and channels water froma small body of water to a larger body of water
• the shape of the land determined by elevation
• A natural stream of water of considerable  volume
• a river and all its tributaries

Tags

NGSS.MS-ESS2-4

You are always in a watershed.

• True
• False

Tags

NGSS.MS-ESS2-4

Fertilizer from people's yards is a point source pollution

• True
• False

When bleach and other cleaners are poured down the drain and make their way into the water supply, which type of pollution as occurred?

• thermal pollution
• biological pollution
• thermal pollution
• chemical pollution

Tags

NGSS.MS-PS1-2

An underground layer of rock or sediment that holds water?

• Reservoir
• Aquifer
• Groundwater
• Watershed

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Watersheds are located only in mountainous areas with high rainfall

• True
• False

Which of these most directly prevents erosion in a watershed?

• planting trees

• soil type

• flooding

• removing vegetation

To what does the “X” in the diagram refer?

• groundwater
• a watershed
• a floodplain
• an alluvial fan

Why is gravity a factor in watersheds? 

• it causes the water to flow away from a watershed
• it causes the water to flow down towards a watershed

Tags

NGSS.MS-ESS2-4

The use of pesticides and fertilizers must be carefully monitored 
because of the effect they can have on the environment. 
Which of the following is a possible negative effect of the use 
of these chemicals on the environment?

• Runoff carries these chemicals into lakes and streams.
• Theses chemicals cannot be purchased in large bulk.
• 
  These chemicals are expensive to produce.
  
• Storage space for these chemicals is limited.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5