Physical & Chemical Changes

By Anthony Ferrante

Physical Property

Any characteristic of a material that can be observed or measured with out changing the identity of the material.


Examples:

1. Color and Shape

2. Length and Mass

3. Volume and Density (D=M/V)

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Physical Change

The physical property of a substance does not change.



Examples:

1. Changing from one state of matter to the next.

(ice melts to liquid-liquid boils to steam)

2. Melting 0 degrees C, and boiling point 100 degrees C.

3. Slicing bread, melting ice, mowing lawn.

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Chemical Property

Any characteristic that gives a substance the ability to undergo a change that results in a new substance.Examples:1. Flammability (ability to burn)2. Reacts with oxygen (ability to rust)3. Reacts with light (pictures being developed)4. Reacts with water (medicine dissolving in water)
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Chemical Change

Any change in the identity of a substance due to the chemical properties of that substance (You have a new substance) (NOT revisable)


Examples:

1. Flammability (fire burning to ash)

2. Reacts with oxygen (fruit rotting)

3. Heat and light (vitamins can change exposed to light)

4. Electricity (water can be broken down with electricity)

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