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Science Module #1-4

Science Definitions for Quarter Test

Science An endeavor dedicated to the accumulation and classification of observable facts in order to formulate general laws about the natural world.
Papyrus An ancient form of paper, made from a plant of the same name.
Spontaneous generation The idea of living organisms can be spontaneously formed from non-living substances.
Counter Example An example that contradicts a conclusion.
Hypothesis An educated guess that attempts to explain an observation or answer a question.
Theory A hypothesis that has been tested with a significant amount of data.
Scientific Law A theory that has been tested by and is consistent with generations of data.
Experimental Variable An aspect of an experiment that changes during the course of the experiment.
Control (of an experiment) The variable or part of the experiment to which all others will be compared.
Blind Experiments Experiments is which the participants do not know whether they are part of the control group or not.
Double-blind Experiments Experiments in which neither the participants nor the people analyzing the results know who is in the control group.
Simple Machine A device that either multiplies or redirects the force.
Force A push or pull exerted on an object in an effort to change that object's velocity.
Mechanical Advantage The amount by which a force or motion is magnified in a simple machine.
Diameter The length of a straight line that travels from one side of the circle to another and passes through the center of the circle.
Circumference The distance around the circle, equal to 3.1416 times the circle's diameter.
Created by: tmdevine