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13 Cards in this Set
- Front
- Back
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What is a pendulum?
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a mass that is free to swing around a point
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What is a variable?
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anything you can change in an experiment that might affect the outcome
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How many variables are changed in a controlled experiment?
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one
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What is the name of the variable that changes in a controlled experiment?
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independent
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The variables that aren't changed are called ____ variables.
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controlled
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What happens as the length of the pendulum increases?
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The number of swings in a unit of time decreases.
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What kind of graph displays the outcome of a controlled experiment?
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2-coordinate
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Since graphs show relationships between variables, they can be used to _____ ________.
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make predictions
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What variables were studied in the class experiments?
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mass, length, release position
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Why is the independent variable changed?
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to determine how that variable affects the outcome of the experiment
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What is a cycle?
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A set of events or actions that repeat
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What is a standard?
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The basic proceedure used in controlled experiments before changing any of the variables.
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What is a prediction?
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An estimate of future events based on data or experience
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