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20 Cards in this Set
- Front
- Back
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Environmental Science
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Systematic study of our environment and our place in it.
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Environmentalism
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Working to influence environmental attitudes and policies
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Sustainability
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Satisfying the basic needs of people today without compromising resources and the environment in the future.
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Resources
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anything obtained from the environment to meet human needs or wants
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Perpetual
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Unlimited.
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Renewable
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Can be replenished
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Nonrenewable
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Cannot be replenished
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Developed Countries
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USA, Canada, Europe, Japan, Austrailia, New Zealand, 20% population, 85% wealth, consumes 88% resources, generates 75% pollution.
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Developing Countries
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mostly Africa, Asia, Latin America about 80% population, 15% wealth, consumes 12% resources, generates 25% pollution
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Environmental changes
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1. Climate Control
2. Energy Resources 3. Population Growth 4. Clean Air and water 5. Biodiversity Loss |
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Science
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a process of producing knowledge through observation and exerimentation
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Scientific Method
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Observation-ask question
Hypothesis-an educated guess Develope a test and prediction Do the test and collect data Interpret results |
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Natural Experiments
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Observation of events that have already happened
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Manipulative Experiments
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One factor is deliberately altered
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Dependent Variable
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Will change in response to the independent variable
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Independent Variable
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Act on their own; usually this variable is changed in an experiment
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Control Group
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In a scientific experiment where the factor being tested is not applied so that it may serve a standard for comparison against another group where the factor is applied.
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Reproducibility
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Ability to obtain the same results from the repeated testing
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Blind Experiments
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the researcher does not know which is the control or experimental group
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Double Blind Experiments
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Researchers and patients do not know which is the control r experimental group.
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