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Reflecting on the Past
Building the FutureTaking Care of our Brains so We can Take Care of our Earth
Photo from inhabitat.comHISD Briargrove ES 9/11/13 U-Roc Lesson 3
So how are you going to
Save the earth?
The future depends on clean water, and clean water depends on YOU!
1/2
The future depends on YOU!
What is WATER?
• Why do we need water?• What part of the earth is water?• What part is available for drinking?
What is a WATERSHED?• Are we all connected by watersheds?• What is in a watershed?
Watershed Design Step 1
1. Crumple up white sheet of paper2. Trace ridges with blue marker • These represent streams and rivers
3. Fill flat surfaces with blue marker• These represent the lakes
Watershed Design Step 2 • Be careful these markers are permanent.
1. Observe the blue lines and pick sides• One side of paper will represent civilization• Other side will represent forests with rivers
2. Draw houses, cars, buildings and roads one side• Use Permanent black marker• These represent civilization items
3. Draw plants and trees • Use Permanent green marker• Draw most trees on the forest side• Draw plants.
4. Tape the four corners of the watershed to blue construction paper• This represents a large body of water
Watershed Step 3What pollutes water?
– Use just the side with civilization, house, cars, roads.– Color in types of pollution that can occur.– Ideas: • Brown – pet waste• Orange – gas, grease or oil waste• green – fertilizer.
– Add M&M to represent trash
Watershed Step 4What happens when it rains?
Clear desks1. Using spray bottle simulate a rain storm2. Stop spraying when the water is running down the
paper3. Observe what happens– What is happening in the watershed?– Does that mean you could be drinking dirty water?– Why is the water cleaner on one side, but not the
other side of the watershed?
Pollution Solutions• What can be done to keep pollutants from
rivers, streams, and lakes?• What filters water naturally?– Plants and trees– Wetlands– Sand– Oysters – Coconuts
Why care about Watersheds?
– What is the watershed closed to Briargrove ES? – How many watersheds do you think are in the
Houston area?– What makes them different watersheds? – What body of water you do think the watersheds
in Harris County flow towards?
A watershed is the area of land where all of the water that is under it or drains off of it goes into the same place.
Will you take the U-ROC Challenge?
See the coloring book to learn more.
Do you want to color a design to create a T-Shirt?
Will you join the Challenge?and
Read and color your bookand
Make a T-Shirt or Poster