environment test review test date: tuesday, april 22
TRANSCRIPT
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Environment Test Review
Test Date: Tuesday, April 22
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What is the definition of an environment?
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All of the living and nonliving things that surround you
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What is an ecosystem?
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A specified area in our environment containing living and nonliving things
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What is the Greenhouse
Effect?
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A natural process that warms the Earth by trapping the sun’s heat
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Are greenhouse gases good or bad?
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A lot of greenhouse gases are a bad thing, but a few of them are good
because they allow for the Greenhouse Effect to happen
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What cause Greenhouse Gases
to build up?
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Fossil fuels such as oil, coal and natural gas being burned and they
release Carbon Dioxide
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What are examples of Greenhouse
Gases?
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MethaneCarbon Dioxide
AmmoniaSulfur Dioxide
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What is the Ozone Layer?
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The thin layer of gases in the stratosphere that is made up of the
ozone gas
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What is the chemical symbol
for the Ozone Gas?
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O3
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Is the Ozone layer man-made or
naturally occurring?
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Naturally Occuring
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What is the purpose of the Ozone Layer?
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The Ozone Layer filters out the harmful UV Rays as they reach our
atmosphere, but let through the warmth and visible light
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Could life on Earth exist without the
Ozone layer?
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No
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Is the Earth getting warmer or colder because of
the increasing amount of
Greenhouse Gas?
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The Earth is getting warmer
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What is water pollution?
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Water being contaminated with harmful substances as a consequence
of human activities.
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What are three sources of water
pollution?
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1. Factory Dumping2. Oil Spills3. Garbage
4. Fertilizers5. Sewage and waste water
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What are two effects of water
pollution?
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1. Death of aquatic animals and plants2. Disruptions of food chains
3. Diseases4. Destruction of ecosystems
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What is waste?
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Anything that we throw away or get rid of that doesn’t get used
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What are some things that create
waste?
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O PaperO Food scrapsO Yard Waste
O GlassO MetalO Plastic
O ClothingO Wood
O PackagingO Electronics
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Where does the garbage we create
go?
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Trash is put into a dump or a landfill
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What is a landfill?
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A place where trash is left in one spot on top of the ground or in deep holes
in the earth, which are filled with trash
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Why is plastic such a problem?
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On 8% gets recycled and the rest ends up in the garbage and doesn’t
decompose
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What is a natural resource?
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Resource that come from the earth, but are not always found close to
home
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What is a renewable resource?
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Resources that will not disappear as we use them
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What is an example renewable
resource?
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1. Wind2. Solar Energy3. Hydro Energy
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What is a nonrenewable
resource?
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Resources that cannot replace themselves once they are gone
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What is an example of a
nonrenewable resource?
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1. Oil/Petroleum (gas, diesel, propane)2. Natural Gas
3. Coal4. Uranium
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Why do we need to conserve our
natural resources?
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We protect animals and their habitats
We provide a future for generations of people to come
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Why does it mean to reduce
something?
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To make something smaller or use less of resulting in a smaller amount of
waster
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Why does it mean to reuse
something?
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We can reuse materials in original form instead of throwing them away
Or
Pass those materials onto someone who can use them
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Why does it mean to recycle
something?
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Materials can be remade into the same kind of object or into something new
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What is a habitat?
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The natural home or environment of an animal, plant or organism
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Why are we losing habitats?
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1. Global warming2. Deforestation
3. Cutting down habitats for farmland4. Water pollution
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Why is a food chain?
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The order in which organisms or living things depend on one another for food
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What is a producer?
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Organisms that produce their own food
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What is an example producer?
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Plants
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What is a consumer?
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Anything that eats plants and animals
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What is are the three types of consumers?
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Herbivores
Carnivores
Omnivores
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What is an herbivore?
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An animal that consumes only plants
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What is an omnivore?
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An animal that consumes both plants and animals
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What is an carnivore?
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Consumes only meat
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What happens if something in a
food chain disappears?
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It causes problems for all of the other animals on the food chain
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What is a food web?
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A food web is a group of food chains within an ecosystem