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8B science vocab
matter
| Question | Answer |
|---|---|
| Physical Change | change in which the form or appearance of matter changes but not its composition. |
| Chemical Change | change in which the composition of a substance changes |
| Condensation | change of matter from a gas or to a liquid state |
| Diffusion | movement of a molecule fro an area of high concentration to an area of low conentration |
| Evaporation | change from liquid to gas |
| Sublimation | change from a solid to a gas without becomeing a liquid |
| Displacement | amount of water an object can hold |
| Physical Property | characteristic that can be observed using the five sences, without changes of trying to change the compostion og matter |
| Chemical Property | characteristic that cannot be observed without altering the substance |
| Molecule | the smallest physical unit of an element or compound, consisting of one or more like atoms in an element and two or more different atoms in a compound |