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Science Quick Vocabulary Review Worksheet

Directions: Determine each word that is defined.

Word Definition
The smallest unit of living matter that can function by itself.
A force that opposes motion.
A small piece of a substance that is made up of at least two atoms.
The cooperative relationship of two different species.
A substance that dissolves other substances.
The ability of an organism to maintain a stable equilibrium.
The center of an atom.
A substance that has mass and makes up all objects.
A tiny particle of matter that is the smallest piece of an element.
The physical matter and existence of an object.
A living thing that is composed of one or more cells.
The rate at which the position of an object changes.
The amount of electricity in an object that is caused by an excess or deficiency of electrons.
A particle with a positive charge.
A particle with a negative charge.

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