| A | B |
|---|
| Matter | what the entire world is made of |
| Mass | The measure of how much matter an object has |
| Gravity | is a force, pulls all matter near the Earth |
| Solids | Particles are usually packed close together in a pattern. |
| Liquid | Doesn't have its own shape and takes the shape of its container. |
| Gas | contains particles that are far apart, and move faster than liquids |
| Plasma | is when a lot of heat is added to gas, causing the particles to separate. |
| Atoms | are made of protons, neutrons, and electrons |
| Protons | have a positive electric charge |
| Neutrons | have no electric charge |
| Electrons | have a negative electric charge |
| The Nucleus | is made of protons and neutrons. |
| Electric Charges | are Negative, Positive, and Neutral |
