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Matter and physical
vocabulary for matter and physical properties
| Term | Definition |
|---|---|
| matter | anything that has mass and occupies space |
| atom | the smallest particle of matter |
| substance | matter with a composition that is always the same |
| element | a substance that consists of just one type of atom |
| compound | a substance containing atoms of two or more different elements chemically bonded together |
| mixture | matter that is made of two or more substances that are physically combined |
| heterogenous mixture | mixtures that are not evenly mixed |
| homogenous mixture | mixtures that are evenly mixed- hard to tell apart |
| dissolve | to mix a solvent into a solute evenly |
| solvent | the substance in a solution in the largest amount |
| solute | the substance that gets dissolved in the solvent |
| protons | the positive sub-atomic particle in an atom |
| neutrons | the neutral sub-atomic particle in an atom |
| electrons | the negative sub-atomic particle in an atom |
| nucleus | the part of the atom that contains the protons and neutrons |
| electron cloud | the part of the atom that contains the electrons |
| physical properties | A characteristic of matter that can be observed or measured with out changing the matter |
| mass | The amount of matter in an object |
| weight | The pull of gravity on matter |
| density | The amount of mass in a given spce |
| melting point | The temperature at which matter begins to change from a solid to a liquid |
| boiling point | The temperature at which matter begins to change from a liquid to a gas |
| solubility | The ability to disolve |
| conductivity | The ability to allow heat or electricity to go through |