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Matter
OCS Unit 3
| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| volume | amount of space matter takes up |
| mass | amount of matter in an object |
| solid | state of matter that keeps its shape over time and has a definite volume |
| liquid | state of matter that has a definite volume but takes the shape of the container |
| gas | state of matter that has not definite volume or shape |
| melting | going from a solid to a liquid |
| boiling | going from a liquid to gas |
| melting point | when a solid is heated enough to become a liquid |
| boiling point | when a liquid is heated enough to become a gas |
| properties | characteristics |
| physical properties | characteristics that describe substances, not related to how the substances react |
| texture | the way a substance feels |
| density | mass of material divided by its volume |
| mass | amount of matter in an object |