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Enviornmental Challenges
essential vocabulary
12
Environmental Studies
6th Grade
09/22/2011

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Cards

Term
global warming
Definition
an increase in the average temperatue of the Earth's atmosphere
Term
greenhouse effect
Definition
the trapping of the sun's heat by gasses in the Earth's atmosphere
Term
greenhouse gas
Definition
any gas in the atmosphere that contriubutes to the greenhouse effect
Term
fossil fuels
Definition
fuels such as coal, oil and natural gas
Term
sustainable
Definition
using natural resources in a way that they exist for future generations
Term
carbon dioxide
Definition
a gas composed of carbon and oxygen
Term
emissions
Definition
substances discharged into the air
Term
degraded
Definition
of lower quality
Term
atmosphere
Definition
the layer of air that surrounds Earth. It consists mainly of oxygen, nitrogen and carbon dioxide.
Term
Energy Conservation
Definition
the careful management of energy so that less energy is used
Term
Nuclear energy
Definition
energy released from the splitting of atoms
Term
Solar energy
Definition
Energy from the sun
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