| A | B |
| mass | amount of matter inside an object |
| density | how heavy the object is for its weight |
| weight | relative to gravity |
| tool used to measure mass | triple beam balance |
| tool used to measure volume | graduated cylinder |
| unit to measure mass | grams |
| unit used to measure volume of a liquid | millileters |
| unit used for volume of solids | centimeters cubed |
| density less than 1.0 | floats |
| density greater than 1.0 | sinks |
| matter | anything that takes up space |
| displacement | volume of irregular solids |
| meniscus | dip in water when looking in graduated cylinder |
| buoyancy | ability to float |
| stays constant | mass |
| used to measure weight | newtons |