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10 Cards in this Set

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Scientific Theory
An explanation that has been tested by repeated observations.

THEORIES:
Must explain things SIMPLY, and CLEARLY.
Must be repeatable (RELIABLE).
Should be able to use the theory to make PREDICTIONS.
Scientific law
States a repeated observation about nature. Often times a law is accompanied by a mathematical formula.
Scientific Method
A tool used by scientist to gather information and formulate explanations. Often it is described by steps, however, these steps are part of a dynamic problem solving process and are only guide lines.

"Steps": Formulate question, hypothesis, design experiment, gather data, analyze data, form conclusions.
Variable
A factor to be considered in an experiment.
Control
A basis for comparison in an experiment.
SI Units
System Internationale Units

These units are standard units of measure for scientists.
Length
Distance between points.
Volume
The amount of space occupied by an object.
Mass
Quantity of matter in an object
Weight
The force with which the earth's gravity pulls on an object.