Water
description
Transcript of Water
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Water
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My choices & our water supply
What Are The Connections Between My Choices And Our Water Supply?
Source: istockphoto.com
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Source: (beach) pinker.wjh.harvard.edu (earth) starryskies.com (sailboat) svquietly.com
What Percentage of the Earth’s Surface Is Covered by
Water?
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Land29%
Water
71%
Source: (water) nhptv.org (land) randonneurs.bc.ca
Water On Earth’s Surface
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I ce
Fresh Water
Salt Water
Source: (ice) aad.gov.au (lake) students.washington.edu (ocean) nessus.gunslingers.org
2%
97%
1%
All Water Is Not The Same
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Source: (faucet) winnipeg.ca (girl) ecn.edu.purdue (ocean) swwater.co.uk
Where Does Our Water Come From?
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Surface?/ Ground?
Ground?
Surface?
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Source: science.oregonstate.edu
Surfacewater collects. . .
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Groundwater
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Is treated at a treatment plant...
Is treated at a treatment plant...
Before making its way to your homes and school!
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Wastewater is treated and released into Puget Sound.
Wastewater is treated and released into Puget Sound.
Source: dnr.metrokc.gov
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Keeping Our Water Clean
Source: (car) mass.gov(cleaners)
washingtonpost.com(storm drain) epa.gov
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The Water Game (1)
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The Water Game (2)
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The Water Game (3)
Event
A water park was built in
your community. A water park was built in your community
Event
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The Water Game (4)
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The Water Game (5)
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The Water Game (6)
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Emergency Water Supply Form
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How Do We Use Water?
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Clothes Washer 23%
Faucet/Other16%
Shower/Bath 20%
Toilet 30%
Leaks 11%
Source: Saving Water Partnership Seattle And Participating Area Water Utilities (toilet) plasticpipe.com (shower) istockphoto.com (washer) ebmud.com (leak) dbinman.com
Typical Household Water Use
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My favorite toilets…
Source: (toilet sink) cleantechblog.com
(dual flush) portlandonline.com
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Global Household Water Use Per Person
Australia 247 gallons/ day
USA 157 gallons/ day
Germany 48 gallons/ day
India 28 gallons/ day
China 19 gallons/ day
Sub-Saharan Africa
12 gallons/ day
Researchers estimate that humans need a minimum of 13 gallons of water per day to sustain life.
Source: waterfootprint.org unesco.org
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Global Water Use by Sector
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Source: waterfootprint.org
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Shower Math
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Homework p.6
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Homework p.7
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Be ready for the next time we meet!
Thanks!
Tonight’s Homework:The Blue Pages
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Cedar River Watershed