| A | B |
| observing | using one or more of your senses to gather information about the world |
| qualitative observation | descriptions that do not use numbers |
| quantitative observation | descriptions that use numbers |
| evidence or data | information gathered from observations |
| accurate observation | an exact report of what your senses tell you |
| objective observation | avoids opinions, or bias, based on specific points of view |
| inferring | explaining or interpreting an observation or statement |
| predicting | making an inference about a future event based on current evidence or past experience |
| classifying | organizing objects and events into groups according to a system, or organizing idea |
| models | pictures, diagrams, or other representations of objects or processes |
| physical models | look like the object or process being modeled |
| mental models | represent ideas about objects or processes that often cannot be directly observed |