| A | B |
|---|
| Hypothesis | explanation for an observed regularity; educated guess |
| Model | a representation to help display information about an object or event |
| Quantity | a property that is measured by an number and a unit |
| SI base units | seven fundemental measuring units |
| Area | Number of squares used to cover an area |
| Volume | area * height |
| Data | Collected facts and observations |
| Density | Ration of mass to volume D=m/v |
| Constant | quantity that always has the same value/ slope of a line |
| Macroscopic Observations | what you observe form seeing, feeling, ect. everyday |
| Chemical Changes | Produce a new kind of matter with different properties |
| Melting | Chang from a solid to a liquid |
| Solid | has a difinite volume and shape |
| Liquid | Flows and takes shape of container |
| Gas | takes shape of an fills container |
| Submicroscopic | invisible level |
| Fluid | any substance that flows |
