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chemical and physical
| Term | Definition |
|---|---|
| Phase change | Changing of a substance between solid, liquid and gas states. |
| Temperature | A measure of the average kinetic energy of a substance. |
| Heat | The total kinetic and potential energy of a substance. |
| Formula equation | A simple chemical equation where chemicals are represented by their symbol formulas. |
| Physical change | A change that doesn't create a new substance |
| Evaporation | Top layer boiling |
| Condensation | Gas to liquid |
| Sublimation | Solid to gas |
| Chemical change | A change that creates a new substance |
| Particle model | A model of particles that shows the states of matter |
| Chemical Reaction | A sign that a chemical change is happening |
| Reactants | What's in the chemical change |
| Products | What the reactants create |
| Word equation | A formula where chemicals are named |