| A | B |
|---|
| Atoms | The building block for all matter |
| Elements | Substances made up of only one type of atom |
| Proton | Part of an atom with a positive charge |
| Electron | Part of an atom with a negative charge |
| Neutron | Part of an atom with a neutral charge |
| The nuclear strong force | Holds the nucleus of the atom together |
| Molecule | Two or more atoms joined together |
| Volume | A measure of how much space an object occupies |
| Density | Amount of mass in a certain volume |
| Physical property | Characteristic that can be observed without changing a substance |
| Chemical property | A property of matter that cannot be observed without changing the substance. |
| Solid | Matter with a definite shape and volume |
| Liquid | Matter with a fixed volume but not a fixed shape |
| Liquid | Matter without a fixed volume or fixed shape |
| Plasma | Matter with charged particles that react strongly to magnetic fields |
| Melting point | temperature solid changes to a liquid |
| Boiling point | temperature where liquid changes to a gas |
| Physical change | Change in the appearance or form of an object |
| Chemical change | Change in the composition of an object |
| compound | What is created when a chemical change occurs when 2 or more substances are combined |
