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