water pollution + water treatment. warm-up update your table of contents reminder: your water...
TRANSCRIPT
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Water Pollution +
Water Treatment
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Warm-up
Update your Table of Contents Reminder: Your water project is due ON or BEFORE Friday!
Get a scrap piece of paper and write your name on it.
Date Session#
Activity Page#
10/17 20 Water Pollution Notes 35
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Warm-up Quick Quiz: On the scrap of paper, answer the following question…What is the difference between water availability and water sustainability?
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Remember???WATER AVAILABILITY– How easy
it is for people to access water in a particular area
The average distance that women in developing countries walk to collect water per day is four miles and the average weight that women carry on their heads is approximately 44 pounds.
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Remember???WATER SUSTAINABILITY– The use
of water now that ensures that there will be enough usable water for future generations.
An American taking a five-minute shower uses more water than a typical person in a developing country slum uses in a whole day
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You know water can be healthy or unhealthy…
But how does it get this way???
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What is Water Pollution?
Water Pollution – The addition of any substance that damages the water quality and makes it dangerous to drink or use for everyday life.
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Where does pollution come from?
Factories FarmersHouseholds
What do they each contribute to the pollution problem?
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Types of Water Pollution
Biodegradable Waste Fertilizers/Pesticides Heat Sediments Chemicals Bacteria/Viruses –
Medical Waste
Any other examples?
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How does the
pollution get into
the water?
Click icon to add picture
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There are 2 ways pollution gets into the water:
POINT SOURCE
POLLUTION
NON-POINT SOURCE
POLLUTION
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Point Source Pollution
Pollution that comes from a single identifiable source that directly enters the water
Examples:Oil spilling from a tanker into the oceanA paper mill pouring chemicals into a
stream
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Non- Point Source Pollution
Pollution that comes from many places OR sources that are not easily identified and eventually gets to the water.(RUN-OFF)
Examples: Pesticide from a farm Oil and trash from city streets
run off into sewer that dumps into nearby lake
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Pollution Protest !!!
You will be given an example of either Point or Non-Point Source Pollution.
Raise your sign when I tell you to protest which type of pollution you think is correct!
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Point or Non-Point?
Smokestack at local factory
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Point or Non-Point?
Oil spilling from a tanker
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Point or Non-Point?Irrigation from farms washes soil and sediment into a river
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Point or Non-Point?Sewer pipe draining human waste into the ocean
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Point or Non-Point?A vent releases smoke with highly toxic chemicals at an automobile plant
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Point or Non-Point?
Sediment washed into
the river from a construction
site
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Point or Non-Point?Small fire burning in a landfill
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Point or Non-Point?Battery acid leaks from cars onto the parking lot and is followed by a big rain storm
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Point or Non-Point?The heavy metal lead flows from cars exhaust pipes and into the atmosphere
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Point or Non-Point? Sludge from a chemical plant
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Point or Non-Point?Pesticides from a garden drain during a rain storm into a local pond
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Point or Non-Point?Factory that produces plastic storage containers dumps liquid wastes into a nearby river
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Point or Non-Point?
Fumes released into a forest
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Point or Non-Point?A deadly bacteria from cow waste makes its way into a nearby ditch
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Point or Non-Point?
A dangerous acid enters the atmosphere from a coal mine in West Virginia
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What do we do to prevent water pollution?
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What is the government doing to protect our water?
Clean Water Act Protects surface waters, such as lakes and
rivers Provides money for the construction and
maintenance of wastewater treatment plants
Environmental Protection Agency (EPA) Sets and enforces standards for wastewater
that is released into lakes or streams by industry and local governments
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What can YOU do to protect our water?
What can you
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What can YOU do to protect our water?
Stewardship:YOUR own personal role in caring for Earth’s waters
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Our Clean Water Act: Each of you will receive a piece of the
Clean Water Act Your job is to re-write your piece of the act
in your own words. Ask for help! Once everyone is done, we will put together our class Clean Water Act!
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Mini Protest Signs: Get a note card and a popsicle stick Create a mini pollution protest sign for the
section of the Clean Water Act your group has