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SCI 8 Unit 3
Composition of Matter
| Term | Definition |
|---|---|
| Composition | What an object is made up of. |
| Matter | Objects that have a mass and a volume |
| Atom | The smallest particle that makes up all matter. |
| Proton | Positively charged particle |
| Neutron | Neutral particle. |
| Electron | Negatively charged particle. |
| Molecule | Two or more atoms bonded together by sharing or stealing electrons |
| Compound | Two ore more different atoms bonded together |
| Element | One or more of the same atoms. |
| Chemical Bond | Formed when atoms join when they share or steal electrons |
| Energy | The ability to cause change. |
| Mass | The amount of matter in an object. |
| Volume | The amount of space an object takes up. |