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Matter Vocabulary
5th grade Science
| Term | Definition |
|---|---|
| matter | has mass and takes up space |
| gas | when matter has no definite shape or volume |
| evaporate | when a liquid changes to a gas |
| heat | a form of energy given off |
| weight | mass plus gravity |
| reactants | 2 substances that make something new |
| chemical change | changes into a new substances |
| physical change | a change in form but not identity |
| liquid | matter that has definite volume but takes the shape of the container |
| solid | matter that holds its own shape |
| product | the new substance created |
| dissolve | mix into so that it disappears |
| reaction | a change because of an event |
| freeze | change from liquid to a solid |
| melt | change from solid to a liquid |
| mass | the amount of atoms |
| conserve | to save |
| signs of chemical change | bubbles, new color, heat, new substance |