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9 Cards in this Set
- Front
- Back
A generalized mental image of an object is a (an)
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concept
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A well-defined and agreed-upon referent used as standard in all systems of measurement is called a (an)
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unit
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3 fundamental properties
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length, time, charge
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What happens to the surface-area-to volume ration as the volume of a cube becomes larger?
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It decreases.
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What is need to change a proportionality statement into an equation?
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A proportionality constant
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A proportionality constant
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may or may not have a unit
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A controlled experiment comparing two situations has all identical influencing factors except the
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experimental variable
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Scientific Law v. Scientific Principle
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Laws describe relationships that are observed in nature that occur consistently time after time.
Principles describe more specific relationships. |
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What is a model? How are models used?
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A model is a description of a theory or idea that accounts for all known properties. They are used to give people a better understanding of something or how something works.
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