| A | B |
| Prediction | A guess, to tell beforehand |
| Buoyancy | The ability of something to float |
| Capacity | The amount of space that can be filled |
| Properties | All the qualities that a thing has (weight, size, color, shape, taste, texture) |
| Texture | How something feels (rough, smooth, fine, course) |
| Weight | How heavy something is |
| Barge | A flat-bottomed boat used for carrying heavy loads |
| H2O | Water |
| Absorb | To suck up and take in like a sponge |
| Sink | Disappearing under the surface of the water |
| Float | Staying on top of the water |
| Shape | The outside appearance of an object |
| Size | How much space a thing takes up (big, small) |
| Plasticine | Molding clay |
| Outcome | What happened |
| Constant | Stays the same |
| Variable | Things that can change |
| Displacement | The amount of liquid that is pushed aside by an object |
| Observation | Something seen and noted |
| Experiment | A test of an idea by making observations |
| Cargo | Objects that are put into the boat |