Science Vocabulary

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Balanced Forces

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Forces that are equal in size but opposite in direction, resulting in no change in motion.

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Control Variable

Back

A variable that is kept constant during a scientific experiment to ensure that the effect of the independent variable can be measured accurately.

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Dependent Variable

Back

The variable being tested and measured in a scientific experiment.

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Fair Test

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An experiment where only the independent variable is changed to ensure that the effect of that variable can be measured accurately.

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Force

Back

A push or pull upon an object resulting from the object's interaction with another object.

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Independent Variable

Back

The variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable.

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Inertia

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The resistance of any physical object to any change in its velocity.

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Mass

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A measure of the amount of matter in an object, typically in kilograms or grams.

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Motion

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The change in position of an object over time.

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Turbine

Back

A machine for producing continuous power that is converted from kinetic energy, typically by a wheel or rotor.