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Science Multiple Choice Words Worksheets

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

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