Science Words 4th Grade unit 1

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Volume

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The amount of space that a substance or object occupies.

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Mass

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The amount of matter in an object, typically measured in grams or kilograms.

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Temperature

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A measure of the warmth or coldness of an object or substance with reference to a standard value.

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Physical States of Matter

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The distinct forms that different phases of matter take on, including solid, liquid, and gas.

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Physical Properties of Matter

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Characteristics that can be observed or measured without changing the substance, such as color, density, and hardness.

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Relative Density

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The ratio of the density of a substance to the density of a given reference material.

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Magnetism

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A physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.

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Describe

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To give an account in words of someone or something, including all the relevant characteristics, qualities, or events.

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Classify

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To arrange or organize by classes; order according to class.

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Displacement

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The moving of something from its place or position, or the amount by which a thing is moved.