Warm
Up:
What is the
difference
between ABIOTIC
and BIOTIC?
Give 3 examples
of each!
https://www.youtube.com/watch?v=QOrVotzBNto
https://www.youtube.com/watch?v=Nf8brNxDJjE
Bull Run Creek 
Potomac River  Chesapeake Bay
 Atlantic Ocean
States that flow into Chesapeake Bay Watershed
•
•
•
•
•
•
New York (part of)
Pennsylvania (part of)
West Virginia (part of)
Maryland
Delaware (part of)
Virginia (part of)
The bay is approximately 200
miles (300 km) long from its
northern headwaters in the
Susquehanna River to its outlet in
the Atlantic Ocean.
Do you remember?
What is urban run off?
What is agricultural run off?
How would they affect a well that is on your
property?
http://www.mnn.com/earth-matters/wildernessresources/videos/epa-probes-water-well-pollutionin-pa-gas-field
How can we demonstrate the movement of
water pollution through an aquifer?
• Water pollution is any substance that has a negative effect on
water or the living things that depend on water.
• Many activities that benefit humans produce pollutants.
• Water pollution can affect
surface water, ground water,
wells and even rain.
http://www.brainpop.com/science/ourfragilee
nvironment/waterpollution/
Underground Pollution Lab
Materials:
-Coffee filter -Permanent Marker -Plastic Plate
-Water
-Sponge(damp)
-Pipette
-Food Coloring
Procedure:
1. With the marker, on the plate, draw three rings on the coffee filter.
WARNING: Marker will stain counters/tables USE plastic plate!!!
2. Draw three dots (one on each ring) and label them A, B, and C.
3. Moisten coffee filter with DAMP sponge.
4. Squirt five drops of food coloring onto the CENTER of the coffee
filter and observe how it moves
5. If your food coloring stops traveling, you can squirt a few drops of
water on the center with a pipette.
6. Answer lab questions on your OWN paper and turn into In-Box.
Coffee Filter Example
B
C
A
Lab Questions:
*answer on your NOTES paper!
1. What do the letters represent?
2. What type of pollution could get in the groundwater?
3. How quickly did your pollution spread to the outer well?
4. What type of health risk would come with drinking polluted water?
5. What steps do you need to take to keep your wells from having pollution?
6. What would you do if a factory moved in next to your farm/ranch?
Watersheds and Pollution
• http://www.karmatube.org/videos.php?id=1663
3.5 Billion people around the world suffer every year due to lack of access to
safe drinking water. In an attempt to address this problem, Engineer Michael
Pritchard invented the Portable Lifesaver, which turns the filthiest of water
drinkable.
- See more at:
http://www.karmatube.org/videos.php?id=1663#sthash.N4t8RZ9y.dpuf