Lesson 04.01: chemical vs. physical changes and properties define and identify chemical and physical properties and changes. give examples of physical and chemical properties and changes. compare and contrast chemical and physical properties and changes.

A chemical property and a physical property are related to chemical and physical changes of matter.

 A physical property is an aspect of the matter that can be observed or measured without changing it. Examples of physical properties include color, molecular weight, and volume.

A chemical property may only be observed by changing the chemical identity of a substance.

This property measures the potential for undergoing a chemical change. Examples of chemical properties include reactivity, flammability and oxidation states.

-be a crystalline solid

- be soluble in water

-conduct electricity

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for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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