how we get water
TRANSCRIPT
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HOW DO WE USE AIR AND WATER?
How do we get the water to our houses?
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AQUEDUCTS
Pipes that carry water to where we need it.
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RESERVOIRS
People build a DAM across the river.
The collected water is called a reservoir.
The high dam in Aswan
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WELLS
We dig holes to pump upunderground water.
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WATER TREATMENT
Making water safe for us to drink.
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STEP 1: WATER SITS STILL IN A TANK
Heavy things in the water fall to the bottom of the tank.
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STEP 2: WATER IS MOVED TO LAYERS OF GRAVEL & SAND
These layers catch the mud and other tiny things.
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STEP 3: CHEMICALS ARE ADDED
To kill any harmful things in the water
Chlorine is added to kill the germs and bacteria.