8th Grade Science Final Vocabulary

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Acceleration

Back

The rate at which velocity changes

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Adaptation

Back

A trait that helps an organism survive and reproduce

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Atom

Back

Basic unit of matter

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Biotic

Back

Describes living factors in the environment.

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Cell

Back

Basic unit of life

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Chemical formula

Back

A combination of chemical symbols and numbers to represent a substance

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Coefficient

Back

A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.

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Community

Back

All the different populations that live together in an area

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Competition

Back

The struggle between organisms to survive in a habitat with limited resources

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Compound

Back

A substance made up of atoms of two or more different elements joined by chemical bonds