1. science

organized way of gathering and analyzing evidence about the natural world.

2. biology

scientific study of life

3. quantitative observation

describing something using numbers ex: it has 5 dots on it

4. qualitative observation

the look of the object ex: it is shiny

5. hypothesis

possible explanation for a set of observations or possible answer to a scientific question.

6. variable

what changes during the experiment

7. controlled experiment

experiment in which only one variable is changed.

8. theory

well-tested explantation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predications about new situations.

9. metabolism

the combination of chemical reactions through which an organism builds up or breaks down materials.

10. homeostasis

relatively constant internal physical and chemical conditions that organisms maintain.