| Term | Definition |
|---|
| mass | amount of matter in an object; never changes no matter where it is in the universe |
| volume | the amount of space an object takes up |
| weight | is mass, but changes due to changes in gravity |
| chart | a tool used to record and organize data as it is being collected |
| graph | picture representation of the data collected |
| density | the amount of matter in a given volume |
| quantitative data | data based on numbers, such as mass or volume |
| qualitative data | data based on description; can be subjective |
| triple beam balance | used to determine the mass of an object |
| graduated cylinder | most accurate measuring tool for liquids. Used to determine volume of irregular object |
| meniscus | the thick line formed at the top of water in a graduated cylinder; read from the bottom of the thick line |
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