| A | B |
| Observing | Using one or more of the five senses to perceive objects or events. |
| Measuring | The process of determining the dimensions of an object. |
| Classifying | The process of grouping objects or ideas into an established organizational scheme. |
| Hypothesis | An educated guess that can be tested. |
| Experiment | Process of testing an hypothesis or prediction |
| Prediction | A statement in advance of the result that can be gotten from measuring an hypothesis. |
| Controlled Experiment | Based on a comparison a controlled group with an experimental group. |
| Independent Variable | The manipulated variable - what is being tested |
| Dependent Variable | The responding variable or what is being measured. |
| Single Blind Experiment | When the experimental and controlled groups do not who received the independent variable but the experimentor does. |
| Double Blind Experiement | When neither the experimentor or the subjects know who is the experimental groups and who is the control group. |
| Experimental Group | The group that receives the independent variable |
| Controlled Group | The group upon which the experiment is measured. |
| Inferring | The process of drawing conclusions on the basis of facts instead of direct perception. |
| Analyzing | The process of determining whether data are reliable and whether they support the hypothesis. |
| Theory | An explanation of a natural phenomenon explained by a large body of scientific evidence. |
| Law | A general statement that describes how things happen and is generally regarded as fact. |
| Scientific Method | A series of steps used to solve problems. |
| Metric System | The International Systems of Measurement that is a decimal-based system. |
| Modeling | Involves constructing a representation of an object or system. |