| A | B |
|---|
| observation | an interaction of one or more of the senses with the environment or surroundings |
| inference | an interpretation of one or more observations |
| prediction | an inference based on observations that indicate what will happen in the future |
| classification | a grouping of objects and events |
| measurement | a means of describing observations using numbers |
| mass | the amount of matter in an object |
| volume | the amount of space an object takes up |
| density | defined as the quantity of material contained in a certain amount of space |
