biology

6. Living creatures that are too small to see with the naked eye.
7. Description of a natural relationship or principle often expressed in math terms.
8. A testable answer to a scientific question.
10. Logical interpretation based on prior knowledge and experience.
13. Chemical reactions in the body's cells that convert food into energy.
14. Group in an experiment that is manipulated.
15. Observations involving numbers.
16. Variable responding to the manipulated variable.

1. The idea that very simple life forms appeared through chemical reactions.
2. The body of data from experiments and observations.
3. Observations that are not easily counted or measured.
4. An explanation of something that has been throughly tested and thought out.
5. A factor that changes in an experiment.
9. Group in an experiment with no manipulation.
11. Variable manipulated by the experimenter.
12. Organisms that use energy and simple chemical building blocks to produce large chemicals.