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20 Cards in this Set
- Front
- Back
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Scientific method
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organized approach to learn how the natural world works
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Methods of science have 2 principals
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1 Events in the natural world have natural causes
2 Uniformity |
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Uniformity
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idea that the fundamental laws of nature operate the same way at all places and at all times
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Steps to the scientific method
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observation
form a hypothesis prediction experiment peer sharing |
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Observing
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the act of perceiving a natural occurrence that causes someone to pose a question
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Hypothesis
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proposed explanation for the way a particular aspect of the natural world functions
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prediction
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statement that forecasts what would happen in a test situation if the hypothesis is true
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experiment
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test a hypothesis
set up an experiment |
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perform an experiment
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control group
experimental group indep and dep variable |
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controlled experiment
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compares an experimental group and a control group and has one variable
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control group
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normal standard which you can compare against
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experimental group
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same as the control group except the independent variable is different
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independent variable
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variable that is manipulated
manipulated variable |
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dependent variable
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variable that is affected by the indep variable
responding variable |
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blind control group
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bilogist is unaware of the experimental and control group
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quantitative data
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data measured in numbers
the dependent variable is usually measured in data |
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drawing conclusions
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one can disprove not prove a hypothesis
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inference
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conclusion made on the basis of facts andpervious knowledge rather than on direct observation
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theory
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when a set of related hypothesis are true many times
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Research papers
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introduction
methods and materials results discussion peer review expersts anonymously review |
