Unit 0 Vocabulary

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Chemistry

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The study of matter, the investigation of its properties, how it interacts, combines, and changes.

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Observation

Back

The process of gathering information using our senses or instruments that extend our senses.

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Numerical measurements

Back

The process of assigning numerical values to represent the magnitude or quantity of something.

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SI Base Units

Back

The fundamental units of measurement in the International System of Units (SI).

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Mass

Back

The measure of the amount of matter in an object.

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Weight

Back

The force exerted on an object due to gravity.

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Length

Back

The measurement of the distance between two points, or the extent of something along its greatest dimension.

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Temperature

Back

A measure of the average kinetic energy of the particles within a substance.

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Pressure

Back

The force applied perpendicular to the surface of an object per unit area.

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Power

Back

The rate at which work is done or energy is transferred.