| A | B |
|---|
| Problem | What you want to find out |
| Hypothesis | An educated guess based on knowledge |
| Procedure | Step-by-step directions for you to investigate the problem |
| Experiment | Observations and data |
| Observation | Something you learn through your senses |
| Data | The facts obtained through observations |
| Conclusion | An answer or solution based on observations and an evaluation of the hypothesis |
| Variable | Something that can cause the changes observed in an experiment |
| Constant | Things that are kept the same |
| Control | The part of the experiment used for comparing the changes that occur |
| Inference | A possible explanation for an observation |
| Fact | An agreement made by qualified scientists about many observations of the same thing |
| Theory | An idea that has been tested again and again. It explains why and how something happens |
