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PS TNOM Chapter 3
Properties and Changes of Matter
Term | Definition |
---|---|
Physical Property | A characteristic of matter that you can observe without changing the composition of the substance you are studying |
State of Matter | The phase in which matter exists; solid, liquid, gas, plasma, BEC |
Chemical Property | A characteristic of matter you can only observe by changing the composition of the substance you are studying |
Physical Change | Change in which the form or appearance of matter changes, but not its composition |
Energy | The ability to do work |
Conservation of Mass | The principle tat states that the total mass of matter remains the same after a physical or chemical change |
Antoine Lavoisier | 1743-1794 French scientist who discovered the principle of Conservation of Mass |
Pure Substance | Made up of only one type of element or molecule. |
Mixture | Made up of more than one type of element or molecule. |