| A | B |
|---|
| Classification | Grouping of items based on similarities |
| Cyclic change | Events occurring in a predictable pattern. |
| Density | How tightly packed the atoms are in an object. |
| Dynamic Equilibrium | A balance between opposing forces. |
| Inference | An educated guess, hypothesis. |
| Interface | A boundary across which energy is exchanged |
| Mass | The amount of matter (atoms) in an object. |
| Observation | Using the five senses to interact with the environment. |
| Percent deviation | The amount of error in a measurement |
| Rate of change | How much something changes over time. |
| Volume | The amount of space an object takes up. |
