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Science test 5/2
| Question | Answer |
|---|---|
| What is the Matter? | Matter is anything that has mass and takes up space. |
| What is chemistry? | Chemistry is the study of matter and how matter changes. |
| How many kinds of properties matter has, and what they called? | 2 kinds of properties, one is physical properties and the other is chemical properties. |
| what is a physical property? | Physical property is a characteristic of a substance that can be observed without changing the substance into another substance. |
| tell me five example for physical property. | color, hardness, texture, shine, flexibility. |
| what is chemical property? | A chemical property is a characteristic of a substance that describes its ability to change into other substances. |
| tell me three example for chemical property. | burning, tarnishing, rusting. |
| what is a physical change? | A physical change is any change that alters the form or appearance of a substance but that does not make the substance into another substance. |
| what is a chemical change? | A change in matter that produces one or more new substances. |
| when chemical changes occur? | bonds break and new bonds form. |
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