| Terms | Definitions |
| Hypothesis | A mere assumption or guess. |
| Procedure | Step by step process or instructions to be followed in solving a problem or accomplishing a task. |
| Properties | Unique characteristics attributed to a particular object |
| Volume | How much space an object occupies. The units of measurement are Liters, (l) Milliters, (ml) or Cubic centimeters (cm3). |
| Mass | the amount of matter in an object. |
| Density | The amount of matter in a given volume. Density is calculated by dividing the mass by the volume. |
| Matter | The substance or substances of which any physical object consists or is composed. |
| Inference | A conclusion based on an observation. |
| Observation | Gathering information by using one or more of your senses. |
| Conclusion | the end or close; final part, usually containing a summing up of the points and a statement of opinion or decisions reached. |
