| A | B |
| mass | amount of matter in an object |
| matter | anything that has mass & volume |
| triple beam balance | tool used to measure mass |
| graduated cylinder | tool used to measure volume |
| ruler | tool used to measure length |
| grams | unit of measurement for mass |
| metric system | standardized measurement created for scientist's uses |
| length | distance of an object |
| volume | amount of space an object takes up |
| meniscus | point at the bottom of the curve of a liquid in a graduated cylinder |
| density | mass per unit volume |
| Theory | a logical, time tested explanation for events that occur in the natural world |
| Hypothesis | an educated guess |
| Law | A fact that has been tested & is generally true |
| Meter | unit of measurement for length |
| celsius | unit of measurement for temperature |
| liter | unit of measurement for volume |
| kilometer | KM |
| hectoliter | HL |
| decigram | DG |
| Inertia | resistance to object's change in motion |
| General Properties | mass, volume, weight, mass |
| Specific properties | color, size, shape, texture, hardness,odor |