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What is a natural resource?
something in nature or a part of nature that we can use
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What are fossil fuels?
remains of ancient life that we use for energy
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How can you help to conserve natural resources?
- 1- use renewable resources
- 2- conserve water
- 3- walk, ride a bike, etc.
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List 3 non-renewable resources
- 1- oil
- 2- coal
- 3- natural gas
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What causes acid precipitation?
when air pollution from fossil fuels react with water in the atmosphere (destroys food chains)
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List 5 renewable resources?
- 1- hydroelectric
- 2- solar
- 3- windpower
- 4- nuclear
- 5- geothermal
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List one advantage and one disadvantage for each renewable resource
- *ALL DO NOT POLLUTE AIR
- 1- destrpys habitats
- 2- expensive
- 3- need lots of space
- 4- dangerous
- 5- have to live in a volcanically active place
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Describe the greenhouse effect
Earths atmosphere traps some light & changes it to heat
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What gas is causing the greenhouse effect to become more intense
carbon dioxide
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Most air pollution results from the..
burning of fossil fuels
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The 3 "R"s of conservation are
reduce, reuse, recycle
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Substances that provide energy as a result of a chemical change are called
fuel
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Energy coservation means
reduce the amount of energy that you dont really need to use
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The % of energy that is actually used to perform work
efficiency
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This fossil fuel are the remaints of ancient, decayed plants-tiny creatures-
coal, oil
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In the US the most commonly used fossil fuel is
coal
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.....still produces pollution, but is the cleanest burning fossil fuel
natural gas
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another form of oil
petrolium
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material that helps block the transfer of heat between into and out of a building is
insulation
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List 6 sources of indoor air pollution
- 1- carbon monoxide
- 2- pet dander
- 3- second hand smoke
- 4- dust mites
- 5- bacteria
- 6- cleaning products
- 7- mold
- 8- pesticides
- 9- gas fumes
- 10- dust
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a radioactive gas that is naturally produced by soil & rock
radon
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5 consequences of continued global warming are:
- 1- melting ice caps
- 2- stronger storms
- 3- sea levels rise
- 4- changes in rainfall
- 5- species die out
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responsible for the depletion of the ozone layer
CFCs
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...odorless, colorless, poisonous gas produced by the...
carbon monoxide, burning of fossil fuels
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water that collects between particles of soil and rock
groundwater
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waste materials that are harmful to humans are called
hazardous wastes
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why is the loss of ice at the poles a disturbing trend and what does it suggest for the future?
more light is absorbed
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how could global warming trigger another ice age?
melting water disrupts air and water currents
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if mountain glaciers were to disappearwhat consequences would that mean for 40% of the world
no fresh water
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what is the relationship between carbon dioxide and global temperature?
when one goes up so does the other
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