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Chemical Reactions
vocab for the chemichal reactions unit
| Question | Answer |
|---|---|
| Atoms | The tiny pieces that all matter-all the stuff in the world-is made of |
| Chemical reaction | A process in which atoms rearrange to form new substances |
| Model | An object, diagram, or computer program that helps us understand something by making it simpler or easier to see |
| Product | An ending substance that is made during a chemical reaction |
| Property | Something that can be observed about a substance, such as color, smell, or boiling point |
| Reactant | A starting substance thaat is part of a chemical reaction |
| Rearrange | To change the order of position of something |
| Scale | The relative size of things |
| Substance | Something that is made of all the same atoms or groups of atoms |
| Boiling point | The temperture at which a substance changes from the liquid phase to the gas phase |
| Chemical formula | Letters and numbers showing the types and number of atoms that repeat to make up a substance |
| Extended structure | A structure formed by repeating groups of atoms linked together in a large network |
| Melting point | The temperture at which a substance changes from the solid phase to the liiquid phase |
| Molecule | A group of atoms joined together in a particular way |
| Fertilizer | A substance that is added to soil to help plants grow |
| Corrosive | Able to cause damage |