| 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. |
| Experiment | A type of scientific investigation that is performed under controlled conditions. |
| Model | A representation of something that is occurring in the real world |
| Control Group | A group during an experiment that remains untouched or unaltered. This is often compared to the experimental group. |
| 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 |
| Types of Scientific Investigations | Natural Study, Model and Experiment |
| Natural Study | A study done in nature but it is hard because you cant but controls on natural factors such as temperature, weather etc... |
| Model | A small representation of something that happens in nature. |