Runoff and Erosion

An alluvial fan is

• A wide sloping deposit of sediment from a plain

• A wide sloping deposit of sediment from a narrow valley

• A wide sloping deposit of sediment where a stream leaves a mountain

• None of te above

When the runoff flows in a thin layer this type of erosion is called

• Water erosion

• Glacier Erosion

• Tsunami

• Sheet erosion

The area where the streams or gullies join is called a

• Tributary

• Stream

• Ocean

• Lake

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which land surface has the most runoff?

• 
• 
• 
• 

Erosion is the process by which rain, wind, and ice breaks apart the land.

• True

• False

Tags

NGSS.MS-ESS2-2

Erosion carries away soil from the land.

• True

• False

Tags

NGSS.MS-ESS2-2

Plants are important in stopping runoff from getting into nearby waterways.

• True

• False

Tags

NGSS.MS-ESS2-4

Which of these is NOT a problem caused by parking lots or parking garages?

• Increased runoff from car oil.

• Increased infiltration from plants.

• Increased runoff from hard (impervious) surfaces.

• increased erosion from dirt near the parking lot.

Tags

NGSS.MS-LS2-5

Runoff is the flow of water that occurs when excess stormwater, meltwater, or other sources flows over the Earth's surface.

• True

• False

Tags

NGSS.MS-ESS2-4

Runoff can carry pollutants like fertilizer and pesticides into waterways.

• True

• False

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5