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8 Cards in this Set
- Front
- Back
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What is Physical Sceience?
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Is the study of chemistry, atronomy, physics, and earth science.
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Density
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equals mass/volume
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Hypothesis
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a tentative explanation (educated guess)
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Independent variable (manipulated variable)
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variable changed by the experimenter. It is placed on the x-axis.
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Dependent variable (responding variable)
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variable that responds to the change in the independent variable. It is placed on the y-axis.
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Constant
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kept the same throughout the experiment. (not changed)
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Control
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used for comparative purposes
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An experiment was performed to determine the effect of length on a pendulum. For each length, the period was determined. the amplitude and the mass were kept the same in each experiment. the results were as follows:
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Length Period
10 cm 0.63s 20 cm 0.90s 30 cm 1.10s 40 cm 1.27s |
