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Vocabulary
Vocabulary terms
| Question | Answer |
|---|---|
| Matter | Anything that has mass and takes up space |
| Chemistry | The study of the properties of matter and how matter works |
| Substance | A single kind of matter that is pure |
| Physical Property | A characteristic of a pure substance that can be observed without changing it into another substance |
| Chemical Property | A characteristic of a pure substance that describes its ability to change into different substances |
| Element | A pure substance that can't be broken down into any other substance by physical or chemical means |
| Atom | The basic particle from which all elements are made |
| Chemical Bond | The force of attraction between two atoms |
| Molecules | Group of two or more atoms held together by chemical bonds |
| Compound | A pure substance made of two or more elements chemically combined in a set ratio |
| Chemical Formula | A formula that gives the elements in a compound and the ratio of atoms |
| Mixture | Two or more substances that are mixed together but not chemically combined |
| Heterogeneous Mixture | A mixture in which pure substances are unevenly distributed throughout the mixture |
| Homogeneous Mixture | A mixture in which substances are evenly distributed throughout the mixture |
| Solution | An example |
| Weight | A measure of the force of gravity on you |
| Mass | The amount of matter in an object |
| International System of Units | Used to measure the properties of matter |
| Volume | The amount of space that matter occupies |
| Density | The measurement of hoe much mass of a substance is contained in a given volume |
| Physical Change | Any change that alters the form or appearance of matter that doesn't make any substance in the matter into difference substances |
| Chemical Change | A change in matter that produces one or more new substances |
| Law of Conservation of Mass | The fact that matter is not created or destroyed in any chemical or physical means |
| Energy | The ability to work and cause change |
| Temperature | A measure of the average energy of random motion of particles of matter |
| Thermal Energy | Total energy of all of the particles in an object |
| Endothermic Change | A change in which energy is taken in |
| Exothermic Change | Release energy |
Created by:
kailey100
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