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Science Sec.1-1Vocab
| Question | Answer |
|---|---|
| characteristic property | A quality of a substance that never changes and can be used to identify the substance |
| boiling point | The temperature at which a substance changes from a liquid to a gas |
| melting point | The temperature at which a substance changes from a solid to a liquid |
| physical change | A change in a substance that only involves a change of state, and not a change in identity |
| chemical change | A change in which one or more substances combine or break apart to form new substances with new properties. |
| chemical activity | The characteristic property of a substance that indicates its ability to undergo a specific chemical change |
| mixture | Two or more substances that are physically mixed together but do not chemically combine |
| solution | A very well mixed mixture, usually a liquid and usually transparent (i.e.salt water) |
| pure substance | A substance made of only one kind of matter and having definite properties, such as elements or compounds. |
| element | A substance that can't be broken down into other substances by chemical or physical means |
| compound | A substance made up of two or more elements which are chemically combined |
Created by:
Katrina1212
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