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15 Cards in this Set
- Front
- Back
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constant
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In an experiment, a factor that cannot change.
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control
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In an experiment, the standard for comparison.
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critical thinking
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The process of using thinking skills to solve problems.
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dependent variable
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In an experiment, the factor that is forced to change because the independent variable is changed.
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experiment
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A controlled procedure for testing a hypothesis.
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greenhouse effect
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The process by which heat radiated from Earth's surface is trapped and reflected back to Earth by carbon dioxide in the atmosphere.
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Hypothesis
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A proposed solution to a problem or explanation of how something works; a hypothesis can be tested to see if it's correct.
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independent variable
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The factor changed to see what effect it will have on the dependent variable.
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model
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A representation of an idea or process to make it understandable, using a diagram, formula, or physical structure.
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observation
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Using your senses to gather info
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ozone layer
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A layer of Earth's atmosphere that contains plentiful ozone, which absorbs UV radiation from the Sun.
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physical science
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The study of matter and energy
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scientific law
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A rule that describes a pattern in nature and predicts what will happen under specific conditions.
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technology
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The application of scientific knowledge to improve quality of human life.
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theory
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A solution to a problem; a former hypothesis that has been tested with repeated experiments and observations and found always to work.
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