| A | B |
|---|
| Atom | The smallest piece of matter |
| Nucleus | contains the protons and the neutrons for the atom; is in the center of the atom |
| Protons | In the nucleus of the atom with a positive charge |
| Electrons | Moving outside the atom; has a negative charge |
| Neutrons | In the nucleus of an atom, has NO charge |
| Examples of Matter | Solids, Liquids, Gases |
| Matter | anything that takes up space and has mass |
| Examples of Energy | light, heat, sound, motion, electricity; do not take up space and do not have mass |
| Empty space | Atoms are mostly made of this |
| Electron Shell/ Orbit | The area around the atom where electrons move |
| What energy can do | Make matter move |
| Synthetic Materials | natural resources that go through a chemical process in a factory, man-made |
| Natural Materials | come from nature, natural resources |
| Model | A representation of an object or process. Scientists use models to understand things they cannot observe directly. |
| Volume | The amount of space an object takes up |
| Mass | The amount of matter in an object. |
| Neutral Atom | Has the same number of protons and electrons. The charges cancel eachother out. |
