Environmental Science Unit 3 Part 1

What kind of resource is water?

• 
  potentially renewable

• 
  perpetually renewable

• 
  point source

• nonrenewable

What is the water that flows overtop of land and collects in a stream or river?

• watershed

• water table

• runoff

• recharge zone

Where does most of the fresh water we use come from?

• groundwater

• atmospheric water

• space

• surface waters

What nutrient causes algal blooms in the ocean?

• phosphorus

• nitrogen

• carbon

• hydrogen

water that is relatively pure with few dissolved salts

• fresh water

• saltwater

• surface water

• runoff

all of the land area that supplies water to a particular river system

• river system

• watershed

• aquifer

• estuary

containing spaces or pores that water can pass through

• permeable

• impermeable

• aquifers

• water table

• recharge zone

few or no pores for water to pass through

• permeable

• impermeable

• aquifers

• water table

• recharge zone

sponge-like formations of rock, sand, or gravel that hold water under Earth's surface

• permeable

• impermeable

• aquifers

• water table

• recharge zone

How much of Earth's water is salt water?

• 97%

• 3%

• 70%

• 25%