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Science Multiple Choice Definitions Worksheets

1. atom
A) The rate at which the position of an object changes.
B) A particle with a negative charge.
C) A tiny particle of matter that is the smallest piece of an element.
2. cell
A) The rate at which the position of an object changes.
B) The smallest unit of living matter that can function by itself.
C) A particle with a positive charge.
3. charge
A) The cooperative relationship of two different species.
B) The amount of electricity in an object that is caused by an excess or deficiency of electrons.
C) A force that opposes motion.
4. electron
A) The rate at which the position of an object changes.
B) The physical matter and existence of an object.
C) A particle with a negative charge.
5. homeostasis
A) A tiny particle of matter that is the smallest piece of an element.
B) The ability of an organism to maintain a stable equilibrium.
C) A substance that has mass and makes up all objects.
6. matter
A) The physical matter and existence of an object.
B) The amount of electricity in an object that is caused by an excess or deficiency of electrons.
C) A substance that has mass and makes up all objects.
7. molecule
A) The smallest unit of living matter that can function by itself.
B) A small piece of a substance that is made up of at least two atoms.
C) A particle with a negative charge.
8. nucleus
A) The ability of an organism to maintain a stable equilibrium.
B) The center of an atom.
C) The cooperative relationship of two different species.
9. organism
A) A living thing that is composed of one or more cells.
B) The cooperative relationship of two different species.
C) A substance that dissolves other substances.
10. proton
A) The amount of electricity in an object that is caused by an excess or deficiency of electrons.
B) A particle with a positive charge.
C) The ability of an organism to maintain a stable equilibrium.
11. resistance
A) The center of an atom.
B) A force that opposes motion.
C) A tiny particle of matter that is the smallest piece of an element.
12. solvent
A) The cooperative relationship of two different species.
B) The amount of electricity in an object that is caused by an excess or deficiency of electrons.
C) A substance that dissolves other substances.
13. substance
A) The ability of an organism to maintain a stable equilibrium.
B) The physical matter and existence of an object.
C) A tiny particle of matter that is the smallest piece of an element.
14. symbiosis
A) The cooperative relationship of two different species.
B) The ability of an organism to maintain a stable equilibrium.
C) The amount of electricity in an object that is caused by an excess or deficiency of electrons.
15. velocity
A) A substance that dissolves other substances.
B) The rate at which the position of an object changes.
C) A tiny particle of matter that is the smallest piece of an element.

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