Science Concepts and Definitions

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Qualitative Properties

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Properties that are observed and generally cannot be measured (e.g., color, texture, smell, taste, and appearance).

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Quantitative Properties

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A property that can be measured and recorded numerically (e.g., weight, temperature, or volume).

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Matter

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Anything that takes up space.

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Solids

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A form of matter that has a definite shape and takes up a definite amount of space (e.g., ice is water’s form of this).

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Liquids

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A form of matter that takes up a definite amount of space but has no definite shape (e.g., water).

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Gases

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A form of matter that has no definite shape and takes up no definite amount of space (e.g., water vapor is water’s state of this).

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Weight

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The pull of gravity on an object’s mass.

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Contract

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Become smaller, shrink.

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Expand

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Becomes bigger, larger.

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Properties

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Quality or characteristic.