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Matter 706a
physical propertys
| Question | Answer |
|---|---|
| Physical Property | any characteristic of a material that can be observed or measured without changing the identity of a material of a physical property. |
| Matter | is anything that has mass that takes up space. |
| physical change | The physical propertys of a substance change, the identity of the substance does not change. |
| density | the amount of mass a material has in a given volume. |
| States of Matter | the four states of matter are solid, liquid, gas, and plasma. |
| Melting Point | the tempature at which a solid becomes a liquid. |
| Boiling Point | is the tempature at which a substance in the liquid state becomes a gas. |
| Chemical Property | is any characteristic that gives a substance the ability to undergo a chance that results in a new substance. |
| Chemical Change | is a change in the identity of a substance due to the chemical properties of that substance. |
| Law of conservation of mass | states that the mass of what you end is always the same as the mass of what you start with. |
| Freezing Point | the tempature at which a liquid turns to a solid. |