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.

A lake that stores water for human use is called a ____________.

• dam
• oxbow lake
• reservoir
• crater lake

A industrial powerplant dumps its heated wastewater straight from a pipe into a stream. This is an example of -

• eutrophic pollution
  over-treated drinking water.
• riparian pollution
  flooding in the local aquifer.
• point source pollution.
• nonpointsource pollution.

Pollutants from a factory enter a stream or creek and travel to a river. River water tested with the pollutant found is called  

• point source pollution
  Available space for crops
• nonpoint source pollution.
• eutrophic pollution
• riparian pollution

What is all the water that runs off the surface of the land and washes into rivers, streams, and other waterways called?

• Runoff
• Storm Drain
• Surface Water
• Tributary

Water stored below the Earth's surface is called:

• Groundwater
• Bogs
• Water in the ground

Water that stands or flows across the Earth’s surface.

• Groundwater

• Surface water

• Runoff

• Divide

A hole dug into an aquifer to reach groundwater is called... 

• an aquitard/aquiclude
• a well
• a recharge zone
• a water table

An underground layer of rock or sediment that holds water?

• Reservoir
• Aquifer
• Groundwater
• Watershed

Where is most fresh water found on Earth?

• oceans
• atmosphere
• glaciers, polar ice caps
• lakes and rivers