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V 2
| Question | Answer |
|---|---|
| Atom | 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 hels us understand something by making it simpler or eaiser 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 that is a part of chemical reaction. |
| Rearrange | To change the order or 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 temperature 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 temperature at which a substance changes from the solid phase to the liquid phase. |
| Molecule | A group of atoms that joined together in a particular way |
| Fertilizer | A substance that is added to soil to help plants grow |
| Corrosive | Able to cause damage. |