WARM UP: What is a watershed?

Watershed:• The area of land that

precipitation drains into a river system is known as a watershed.

• We live in the Chesapeake Bay Watershed.

http://www.youtube.com/watch?v=ofTdglXriug

What is Groundwater?

Groundwater is water that is located underground.

https://www.youtube.com/watch?v=oNWAerr_xEE

All groundwater!

The area of land that precipitation drains into a river system.

water that is located underground.

Feeds into separated by

Tributaries to rivers to lakes to bays

to oceans

Divide – the ridge or high point that causes water to go one way

or the other

Watershed DiagramsThe area of land that precipitation drains into a river system.

Virginia has sections of watershed that flow into a specific river!

• Whenever you see a creek, stream, river, delta, lake or ocean you see a part of the watershed.

Agricultural Runoff

• Agricultural runoff includes pesticides, animal waste, salts, fertilizers, decomposed food, and trash or plastics used in running the farms or ranches.

Urban (city) Runoff

• Urban runoff is another leading causes of bad water quality. Water from lawns with fertilizer, trash, oil from cars, factory pollution, or a/c waste absorbs into the ground.

https://w

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Threats like those produced from agricultural runoff and suburban

sprawl are destroying our clean water, the animals and plants that live in or

near the water.

http://www.cleanwatermn.org/Resources/Video---Voice.aspx

http://player.discoveryeducation.com/views/hh_httpView.cfm?guidAssetId=9b2f7923-d824-42c7-a7f7-a35cced7ce52

The area of land that drains into a river system

water that is located underground.

Feeds into Is separated byTributaries to rivers to lakes to bays to oceans

Divide – the ridge or high point that causes water to go one way or the other

Pollution in the water that comes from pesticides, fertilizer, animal waste, decomposing plants and animals, tractors and cars.

Pollution in the water from anything you might find in a city. Construction, trash, oil, gasoline, chemicals, air pollution, pesticides and fertilizer.

From the farm or nature

City and towns

Words to KNOW:

• Ecosystem- all living and non-living things that interact in a particular area.

Biotic factors:All living organisms

Examples: animals like geese, ducks, foxes (other species) & plants including moss or algae

Abiotic factors:All non-living things

Examples: rocks, soil, sunlight, water, oxygen, temperature, salinity

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• Follow the sheet and use your book to help you discover each answer!

• Trade and grade (if time permits)

Use your book!

S ta r t Homework !

New Vocabulary: Runoff

Tributary

Weathering

Erosion

Aquifer

Point-pollution

Non-point pollution