Water Erosion and Deposition

What are four factors that affect the amount of runoff?

• amount of rainfall, time span over which the rain falls, the slope of the land, and presence of vegetation on the land
• the temperature, the amount of rocks in the soil, impermeable soil, a close well
• permeable soil, the slope of the land, the temperature, and amount of rainfall
• presence of vegetation, impermeable soil, amount of rainfall, and the amount of rocks in soil

In a city or town where groundwater is the main source of drinking water, the number of _______ becomes important. 

• springs
• geysers
• sinkholes
• wells

A(n) _______ forms where rivers empty into a lake and ocean.

• aquifer
• delta
• spring
• longshore current

Green sand may be made of _______. 

• basalt fragments
• olivine
• quartz
• coral and shell

Groundwater travels through ________ in sediment. 

• layers
• springs
• pores
• caves

Runoff water _______. 

• forms precipitation
• forms steams
• supplies water for artesian wells
• all of these

The last stage in stream development; flows smoothly through a broad, produces flat floodplain

• old river
• young river
• mature river
• immature river

May have white water rapids and waterfalls.

• mature river
• immature river 
• old river
• young river

Erodes more along side than bottom; carves a broad, flat, valley floor. 

• young river 
• mature river
• immature river
• old river

The area from which a stream gets its water is its  ____.

• runoff
• drainage basin
• water cycle
• delta