Human Impact Quiz

A ___________________ is the area of land that collects runoff and channels it into a main river.

• rill
• gully
• stream channel
• watershed

Where is water most likely to become contaminated?

• forest
• near a cattle farm
• near a dam
• at the bottom of the ocean

Which of the following can pollute water?

• Moss
• Pesticides
• Seaweed
• Fish

Which is the amount of empty space in a material?

• water table
• permeable rock
• permeability
• porosity

What can runoff contaminates cause in a lake, river, or stream?

• the earth to sink
• the water in an aquifer to drop
• harmful rapid growth of algae
• cleaner water for bathing

Impermeable materials...

• have an abundance of pores.
• let water in.
• have little to no pores.

If porosity is low then permeability is ______________.

• low
• high

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

Water that flows over the ground surface instead of sinking in is called

• water table
• runoff
• watershed
• aquifer

What is the name of the area of groundwater where it is saturated?

• Zone of Saturation
• Zone of Aeration
• Water Table