| A | B |
| Independent Variable | The variable that affects the dependent variable |
| Dependent Variable | The affected variable in an experiment. Typically it is the one that is measured. |
| Evidence | Any type of data that is gained from a scientific investigation |
| Experiment | A type of scientific investigation that is performed under controlled conditions. |
| Hypothesis | An educated guess based on previous scientific knowledge |
| Model | A representation of something that is occurring in the real world |
| Observation | Anything that can be detected using human senses such as sight sound touch taste. An observation can also be made using a instrument that takes measurements |
| Control Group | A group during an experiment that remains untouched or unaltered. This is often compared to the experimental group. |
| Science | A way of gaining knowledge that starts with a question and then tries to answer that question using evidence and logic |
| Scientific Investigation | A plan for asking questions and testing for possible answers |
| Scientific Law | What will always happen under certain conditions in nature |
| Scientific Method | A basic method for gaining knowledge in the scientific community |
| Scientific Theory | An explanation for something in the natural world that is widely accepted as true. |
| Experimental Group | The Group that is being tested in the experiment |