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Definition
An organized set of investigation procedures.
Six common steps:
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state the problem
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gather informaiton
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form a hypothesis
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test the hypothesis
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analyze data
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draw conclusions
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a possible explanation for a problem using what you know and what you observe. |
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a way to test a hypothesis, uses the effect of one thing on another using controlled conditions. |
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quantity that can have more than a single value. |
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the value changes according to the changes in the other variables |
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the variable you change to see how it will affect the dependent variable. |
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a factor that does not change when other variables is changed. |
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the standard by which the test results can be compared. |
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occurs when the scientist expects changes how the results are viewed. |
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represents an idea, event, or object to help people understand better. |
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an explanation of things or events based on knowledge gained from many observations and investigations. |
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a statement about what happens in nature and seems to be true all of the time. |
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application of science to help people. |
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an exact quantity that people agree to use to compare measurements. |
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universally accepted standard throughout the world for scientists. The metric system. |
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measurement of the quantity of matter in an object. |
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a combination of SI units |
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show how a relationship between variables changes over time. |
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Definition
the horizontal line, the independent variable |
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vertical line, dependent variable |
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Definition
useful for comparing counted information |
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