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14 Cards in this Set
- Front
- Back
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A systematic approach used in scientific study that typically includes observation, a hypothesis, experiments, data analysis, and a conclusion.
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scientific method
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Information describing color, odor, shape, or some other physical characteristic.
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qualitative data
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Numerical information describing how much, how little, how big, how tall, how fast, etc.
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quantitative data
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A tentative, tesatable statement or prediction about what has been observed.
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hypothesis
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A set of controlled obervations that test the hypothesis.
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experiment
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In an experiement, the variable that the experimenter plans to change.
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independent variable
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In an experiment, the variable whose value depends on the independent variable.
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dependent variable
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In an experiment, the standard that is used for comparison.
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control variable
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A judgement based on the information obtained.
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conclusion
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An explanation supported by many experiments; is still subject to new experimental data, can be modified, and is considered successful if it can be used to make predictions that are true.
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theory
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Describes a relationship in nature that is supported by many experiments.
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scientific law
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Expresses numbers as a multiple of two factors - a number between 1 and 10, and 10 raised to a power, or exponent; makes it easier to handle extremely large or small measurements.
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scientific notation
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A ratio of equivalent values used to express the same quantity in different units; is always equal to 1 and changes the units of a quantity without changing its value.
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conversion factor
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A problem-solving method that focuses on the units that are used to describe matter.
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dimensional analysis (FLM)
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