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Class. of matter
| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| pure substance | a substance made of only one kind of material definite proportional amount and properties |
| mixture | matter that consists of two or more substances not chemically combined |
| element | substance in which all the atoms in a sample are the same |
| compound | substances made of molecules |
| homogeneous mixture | mixtures in which different materials are blended evenly so that the mixture is the same throughout; also called a solution |
| heterogenous | a mixture in which different parts can be easily distinguished |
| condensation point | temperature at which a gas turns to liquid |
| conductor | material that does not allow heat or electricity to pass through easily |
| density | an object’s mass compared to its volume. Mass divided by volume is density. |
| desposition | a gas changing into a solid without changing into a liquid |
| ductile | able to be pulled into long, thin wires |
| flexible | able to bend without breaking |
| freezing point | temperature at which a liquid turns to solid |
| insulator | a material that does not allow electricity or heat to pass through easily |
| kinetic theory | a physics theory that all matter is made of moving particles in random motion |
| luster | shininess; the property of something that shines with reflected light. |
| magnetic | material that is attracted to magnets |
| malleable | able to be hammered or pressed into flat sheets |
| melting point | temperature at which a solid turns to liquid |