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unit 1 science
| Question | Answer |
|---|---|
| matter | anything that has mass and takes up space |
| mass | a measure of the amount of matter in an object |
| volume | a measure of how much space an object takes up |
| physical property | a characteristic of matter that can be observed and or measured |
| nuleus | the center of an atomof its mass |
| proton | particle in the nucleus of an atom that arries one unit of elctirc charge |
| neutron | particle in the nuecleus of an atom that has no elctirc charge |
| electron | a particle in the |
| mixture | a phyisical combination of zor more substances that are blended together with out forming new substances |
| colloid | type of mixture where part of one marerial are scatterered through another, block light , dont settle out |
| solution c | mixture of substance that are mixed so |