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4th Grade Matter
Unit 1 and 2 Vocabulary
| Term | Definition |
|---|---|
| mass | the amount of matter in an object (not weight) |
| volume | the amount of space a substance or material takes up |
| matter | anything that has mass and takes up space |
| more dense | sinks |
| less dense | floats |
| magnetism | objects attracted to a magnet |
| physical property | characteristics that can be measured and observed |
| states of matter | solid, liquid, gas |
| temperature | the amount of heat present in an object or substance |
| dissolve | when a substance break up into particles so small they can't be seen |
| mixture | mixing 2 or more substance together that CAN be easily separated, ex. salad |
| solution | mixing 2 or more substances together that CANNOT be easily separated, ex. kool-aid |
| separate | to keep apart |
| substance | material from which something is made |
| attract | to pull together |
| repel | to push apart |