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Matter Vocab
MAtter Vocab
| Term | Definition |
|---|---|
| Element | a pure substace where all the atoms are the same ( on periodic table ) |
| Subatomic Particle | particles that are smaller than an atom and make up an atom |
| Proton | subatomic particle with a positive charge |
| Neutron | subatomic particle with a neutral charge |
| Electron | subatomic particle with a negative charge |
| Matter | anything with mass and volume |
| Atom | the smallest unit of matter |
| Atomic Number | the number of protons in the nucleus of an atom |
| Atomic Mass | the number of protons and neutrons in the nucleus of an atom |
| Mixture | two or more pieces of matter than can be mixed together or seperated |
| Solution | two or more pieces of matter than can be mixed together, but not easily seperated |
| Compound | made up of two or more different kinds of atoms |
| Physical Change | no new substance created |
| Chemical Change | a new substance created |
| Water Displacement | the method used to measure the volume of an irregulary shaped object |
| Mass | the amount of matter an object has |
| Volume | the amount of space an object takes up |
| Density | Mass/Volume how much matter something has in a given amount of space |
| Metric System | based on the number 10, and used by scientist all around the world |
| Solids | definite shape and definite volume |
| Liquids | no definite shape, but has a definite volume |
| Gases | no definite shape and no definite volume |
| Boiling | a liquid turns into a gas |
| Melting | a solid turns into a liquid |
| Freezing | a liquid turns to a solid |