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Chemical Reactions
| 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 odject,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 that is a part of chemical reaction |
| rearrange | to change the order or position of something. |
| scale | The realtive 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 substance. |
| extended stucture | 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 soild phase to the liquid phase. |
| molecule | a group of atoms joined together in a particular way. |
| fertillizer | a substance that is added to soil to help plants grow. |
| corrosive | able to cause damage. |