Transcript Energy - Weebly

1
What kinds of pollution are there?
Water
Pollution
Solid
Waste
Air
2
What type of
pollution?
3
What type of
pollution?
4
What type of
pollution?
5
How
Why
A cloud of smoke
from the exhaust of
a vehicle
Smoke from a
factory chimney
Eruption of a
volcano
Cigarette smoke
Increasing traffic
Burning leaves
Apathetic people
Growing cities
Rapid economic
development
Industrialization
6
Effects of Air Pollution
•
•
•
•
Health problems
Damage to the environment
Damage to property
Thinning of the protective
ozone layer of the atmosphere
7
Water Pollution
How
• Toxic substances
dissolve in water or gets
deposited on the bed.
• Toxic substances enter
lakes, rivers, streams,
etc.
• Pollutants go down into
the ground.
Sources
• City sewage
• Industrial waste
• Agricultural run-off
8
Effects of Water Pollution
• Devastating to people
and animals, fish, and
birds.
• Unsuitable for
drinking, recreation,
agriculture, and
industry.
• Destroys water life.
9
Solid Waste
Types of waste
• Household waste
• Industrial waste
• Biomedical or hospital
waste
•
•
•
•
Why
Population increases
Increased plastics
products
Changes in lifestyle
Landfills not well
equipped to protect
against contamination
10
Water Solutions
•Keep lakes clean
•Take your used motor oil to a drop off place
•Use latex paint instead of oil and rinse your brushes
in the sink rather than the yard
•Fill a spray bottle with soapy water instead of bug spray
•Plant trees to prevent soil erosion
•Keep litter, pet waste, leaves, and grass clippings out
of gutters and storm drains.
11
Air Pollution
Solutions
• Encourage your family
to walk more
• Take the school bus
• Reduce the amount of
spray bottles
• Do not burn leaves in
your yard- put them in a
compost
• Keep your family cars in
tune
• Put catalytic converters
on cars
• Share your room with
others when the air
conditioner is on
• Take care of your trees
12
Solid Waste
Solutions
•
•
•
•
Carry your own bag with you when you go shopping
Say no to all plastic bags as often as possible
Reduce the use of paper bags also
Dig a compost pit in your garden and put all the
biodegradables in it
• When you go out do not throw paper and other
wrappings or even leftover food here and there-put
it in the garbage
13
Read the two scenarios below. Write down important concept words in your
notes. Then, give definitions to the words “preservation” and “conservation”
(which scenario discusses preservation? Conservation?).
1. When I visited the “Red Frog Island” in Panama a few years ago, the tour
guide informed me about the how the Red Frogs were becoming endangered
in that area due to increase in tourism. In order to restore the balance in their
ecosystem, the Panamanian government set aside a part of the land that was
“off-limits” to the tourists. This area was to remain untouched and left-alone,
so that the organisms can live in their natural habitat unaffected by humans.
2. The earth systems students have been learning about renewable and
nonrenewable resources in their Earth Science class. They learned that
nonrenewable resources do not get replaced fast, so they are in danger of
running out if the humans keep using it up faster than it can be made. In order
to make the resources last as long as possible, the students decide to practice
the three R’s (reduce, reuse, recycle) in their everyday lives to effectively use
as many resources as possible.
INTRODUTION
Conservation is an ethic of resource use, allocation,
and protection. Its primary focus is upon maintaining
the health of the natural world: its, fisheries, habitats,
and biological diversity. Secondary focus is on
materials conservation and energy conservation, which
are seen as important to protect the natural world.
Those who follow the conservation ethic and,
especially, those who advocate or work toward
conservation goals are termed conservationists.
I think the environment should be put in the category of our
national security. Defense of our resources is just as important as
defense abroad. Otherwise what is there to defend? ~Robert
Redford, Yosemite National Park dedication, 1985
The 3 R’s
“Find your own ways to make less
trash, and help others to learn how
to Reduce, Reuse, and Recycle.”
TYPES OF CONSERVATION
•
•
•
•
•
•
•
Renewable Energy conservation
Non-Renewable Energy conservation
Water conservation
Plant conservation
Soil conversation
Mineral resources conversation
The types of conservation can be many or
few, depending on the focus of the individual
or program that is aimed at conserving the
Earth's resources. The two types that are
considered to be of the greatest are water
and energy conservation.
HOW TO CONSERVE WATER
Turn off tap while cleaning your teeth, shaving
or washing your face. You can waste can up to
9 liters a minute by just letting the water pour
down the sink.
Take a short shower rather than a bath
could save you up to 400 liters a week.
If you do have baths, just half fill them.
Only use the washing machine and the
dishwasher when you can put on a full load.
It wastes both water and energy to run only
a half full machine
How To Conserve :
You can directly contribute by• Promote Recycling of papers. It takes 10
times LESS ENERGY to produce paper from
used one.
• By switching off lights when not required.
• By using cloth/jute bags instead of plastic
bags.
• Using both side of paper.
• Using refills instead of buying a new pen.
• By growing plants
• DON’T waste food
Soil conservation
• Soil conservation is a set of management
strategies for prevention of soil being eroded
from the earth’s surface or becoming
chemically altered by overuse, acidification,
salinization or other chemical soil
contamination.
• If you see your soil eroding, protect it with
grass or plants.
Energy conservation
Energy conservation refers to efforts made
to reduce energy consumption, and to
preserve it for future generations. Energy
conservation can be achieved through
increased efficient energy use, in
conjunction with decreased energy
consumption and/or reduced consumption
from conventional energy sources.
There are two type of resources:• Renewable Resources
• Non Renewable Resources
Activity
• Make an informational poster making the
public aware of the three types of pollutions
1. Include the causes, the consequences, and
solutions
2. Include drawings and come up with a catchy
solution for pollution phrase
3. Must color, no pencil!
Can you sort them out?
Renewable
Non-renewable
Resources!
• Natural Resources: any material gathered from the earth
(naturally) for human usage
• Ex: water, petroleum, minerals, timber, animals
Renewable Resources
• Renewable resource: is a natural resource that can be
replaced at the same rate that it is used
– Inexhaustible resource: never can be used up: solar, wind,
geothermal
– Exhaustible resource: has the possibility of being used up:
food, timber, water*
Let’s Talk About It: Why will exhaustible resources be used up if
we are not careful?
Nonrenewable Resources
• Nonrenewable resource forms slower than it is used. It usually
takes many number of years to resupply naturally.
Ex: minerals (iron, copper), fossil fuels (oil; coal), nuclear energy
Stop and Think!
What makes a resource nonrenewable?
So, were we right?
Renewable
Non-renewable
Energy
• Energy Resources are natural resources that humans use to generate
energy
• Natural resources contain potential energy which is a stored energy.
***Since energy cannot be created or destroyed, stored energy must be
converted to be useful***
• We can convert potential energy to kinetic energy, which is an energy of
movement.
Fossil Fuels
• Fossil fuel is a nonrenewable energy resource that
formed from the remains of organisms that lived
long ago.
– Contains carbon
– Examples include petroleum, natural gas, coal
Question: What are fossil fuels used for?
Question: What happens to the carbon when using a fossil
fuel?
Fossil Fuels
Made from=
Made from=
Nuclear Energy
• Nuclear energy is obtained by separating uranium atoms and
releasing its energy (fission)
• Uranium is an ore that must be obtained by mining, and is a
nonrenewable resource.
Turning into something useful…
Brain Storm!- 5 minutes
•
•
•
Working in groups of 2 or 3, please fill out the following chart. (1 page per group to turn in)
Please remember to keep your inside voices!
Please use your notes as a reference.
*Think of five (5) natural resources that you have used today. Where did
it come from? How was the energy used?
Object
Renewable or
nonrenewable resource?
Where did it come
from?
How was the energy
used?
Sandwich (food)
Renewable
Crops (organic material)
It was converted into
kinetic energy so I can
continue to move!
Who am I?
1. I am a renewable resource. I am inexhaustible
because I can never be used up. I can generate
electricity, and I am a friend to flying kites. I can
also help boats sail fast. Who am I?
2. I am a nonrenewable resource. I was formed
through millions of years out of dead plants and
flowers. Today, I can be used to generate
electricity in big plants. Who am I?
3. I am a nonrenewable resource. I am made from
dead sea organisms that are millions of years old.
Today, I can be used to cook you delicious food.
Who am I?
4. I am a renewable resource. But be careful with
me, because I am exhaustible. I have the potential
to be used up if you are not too careful. I can be
turned into almost anything, like a desk or paper. I
can also keep you warm on a cold night. Who am
I?
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•
•
•
•
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Solar (sun) energy
Trees (timber)
Crops (food)
Wind energy
Natural gas
Coal
Petroleum
Nuclear energy
Reflection
• What is the difference between renewable resource and a
nonrenewable resource?
• What does it mean for something to be inexhaustible?
Exhaustible?
• How do you generate electricity from a natural material?
Exit Ticket-group ticket
On the back of the group chart, please do the
following:
-plan out a lesson about today’s concepts to
teach to another person who is absent today
-write out specific concepts you will cover in an
outline format (include what the student is
doing during the work period, what they should
review, the type of worksheet, etc)