35.water filtration
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35.Water Filtration. EQ: How can we determine the safety and drinkability of our water supplies? LT: I can describe the processes that can be used to convert unusable water to usable resources. - PowerPoint PPT PresentationTRANSCRIPT
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35.Water FiltrationEQ: How can we determine the safety and
drinkability of our water supplies? LT: I can describe the processes that can be used
to convert unusable water to usable resources.POU: I will make observations about rock type
vs. permeability-I will draw and label the steps for water filtration-I will work with my group to review water filtration concepts.
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Welcome! Warm Up 3/20/14
1. Why would clay be found at the bottom of a well?
2. Why are we running out of groundwater?
Go to www.goo.gl/
vta7d1 to record your
response
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A. Shale B. SandstoneC.Limestone
Which rock type is least permeable?
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A. Shale B. SandstoneC.Limestone
Which rock type would I find in an Aquifer?
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Well Simulation http://www.classzone.com/books/earth_science/terc/content/investigations/es1401/es1401page02.cfm?chapter_no=investigationA well Simulation for the different types of rocks
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How long can an aquifer last?http://www.classzone.com/books/ml_science_share/vis_sim/ewm05_pg39_aquifer/ewm05_pg39_aquifer.html
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Demo: What happens when an aquifer runs dry?
Compare a moist sponge to a completely dry sponge
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Finish up – 10 minutes1. Finish the
conclusion questions for the lab
2. Tape into your Notebook on page 23
3. Work on uploading any missing assingments to your google drive folder
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Water Treatment Video
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Water Filtration Vocabulary 24 Runoff – is precipitation that flows over land into streams and rivers.
This water later enters oceans. Filtration – process of passing water through a series of screens that
allow water through but not large particles Aeration – The water is mixed to liberate dissolved gases and to
suspended particles in water column. Coagulation – The process by which particles in a liquid clump
together Sedimentation – The water left undisturbed to allow the heavy clumps
of particles and coagulants to settle out Disinfection – The water is treated to destroy any remaining disease
causing pathogens Potable Water – drinkable water Safe water: water that will not harm you if you come in contact with
it.
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Water Filtration 24 Sketch picture from pg 106-107
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EPA Tour of Water PlantEPA tourhttp://www.epa.gov/ogwdw/watertreatmentplant
/flash/index.html
**Skip Intro** (Right) Click on Video and select Zoom InPress K to go to the Keyboard Short Cuts
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BANKYou will work in your lab groups to answer
questions. When I call time, flash me your Ipad with only
the Letter of the answer choiceSome questions you will be silent (No Help
from your group!)Some I will let you come to a consensus
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Go to http://www.epa.gov/ogwdw000/kids/flash/
flash_qagame.html
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