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Blast Off Uniit
| Term | Definition |
|---|---|
| Chemical Change | A change of matter in which a new substance is formed |
| Chemical Reaction | A change that produces one or more new substances |
| Conversion of Mass | The mass/weight of a closed system remains constant regardless of the changes that occur |
| Fair Test | An investigation with controlled variables |
| Gas | The only kind of matter that always fills all the space inside a container and takes the shape of the container |
| Liquid | The form of matter that does not have its own shape, but takes the shape of the container |
| Mass | The amount of matter in an object |
| Matter | Anything that has mass and takes up space |
| Physical Change | When matter changes without a new substance being created |
| Physical Property | A property that can be observed, measured, or changes without changing the substance itself |
| Solid | A form of matter that has a shape of its own |
| Variables | Any factor that can be controlled, changed, or measured in an investigation |
| Volume | The amount of space an object takes up |