Show:
Watershed Basics
Pollution
Protecting Water
Parts of a Whole
Miscellaneous
100

An area of land where all water drains to the same river, lake, or stream.

What is a watershed?

100

Trash, chemicals, or other substances that make water unsafe or unhealthy.

What is pollution?

100

Planting trees and grasses along streams can help prevent this from entering the water.

What is erosion?

100

Where the fresh water of a river mixes with the ocean.

What is an estuary?

100

Much of the worlds fresh water is tied up here.

What is glaciers?

200

This is the place where two or more streams or rivers come together.

What is a confluence?

200

Fertilizer containing too much of these nutrients can contribute to algae blooms

What are nitrogen and phosphorus?

200

Using fewer fertilizers and keeping chemicals away from storm drains can help reduce this

What is water pollution?

200
An area like bogs swamps and marshes where pollution is filtered and flood waters absorbed.
What is a wetland?
200
The direction that a river flows is called this.
What is downstream?
300

The highest points of land often form the boundaries between watersheds.

What are ridges or divides?

300
Pollution from a non-specific source. Its hard to point where it comes from
What is non-point source pollution?
300

This approach looks at the entire area draining to a waterbody rather than addressing only one pollution source.

What is watershed management?

300
When water infiltrates the soil and rocks it becomes this.
What is groundwater?
300

An aquifer is water trapped between to layers that are not this.

What is permeable?

400

The continuous movement of water between Earth's surface, atmosphere, and underground is called this

What is the water cycle?

400

Too many nutrients in water can cause algae to grow rapidly and reduce this, harming fish and other aquatic organisms.

What is dissolved oxygen?

400
The Medford Water Commission was fined for an overflow of this chemical into a nearby stream.
What is chlorine?
400
Where most watersheds end up.
What is the ocean?
400

The amount of water used to wash a load of laundry in a regular washer.

What is 50 gallons?

500
Water is made up of these two elements.
What are Hydrogen and Oxygen H2O.
500

Pollution that comes from many scattered sources, such as farms, lawns, and parking lots.

What is nonpoint-source pollution?

500
The water in these pipes drains directly into your stream.
What are storm drains?
500
The highest points in a water shed are called this.
What are the head waters?
500

Jack and Jill and almost 40 million others rely on these for their water

What is a well?