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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 |