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Unit 1:Matter
| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| physical property | something that can be observed and measured without changing the substance. |
| chemical property | can undergo changes that transform into another substance |
| physical changes | a change in the substance that does not change the identity of the substance. |
| chemical changes | a change in one or more substances. |
| extensive property | a property that depends on the size of a system. |
| intensive property | a property that doesn't depend on the amount of matter. |
| ductility | the ability of a substance to be drawn out into wire. |
| malleability | the ability of a substance to be hammered or beaten into a sheet. |
| volume | a measure of the size of a body or region in three dimensional space. |
| compressibility | measure of the volume change of a solid and fluid. |
| density | the ratio of the mass of a substance. |
| evaporation | the change of a substance from liquid to gas. |
| sublimation | the process of solids changing directly to a gas. |
| vaporization | the process of liquid or solids changing to a gas. |
| element | a substance that cannot be broken down into a simpler substance my chemical means. |
| compound | a substance made up of atoms of two or more different elements. |
| heterogeneous mixture | composed of dissimilar components |
| homogeneous mixture | describes something that has uniform structure or composition throughout. |
| atom | the smallest unit of an element that maintains the chemical properties of that element ] |
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