Physical and Chemical Changes

By Colton Cox

Physical changes

Physical Properties

Any characteristic of a material that can be observed or measured without changing the identity of the material.

Examples:

1. Color and shape

2. Length and mass

3. volume and density

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Physical Changes

The physical property of a substance changes but the identity of the substance stays the same.

Examples:

1. Changing from one state of matter to the next. Ice melts to liquid then turns to steam.

2. Melting at 0 degrees and boiling at 100 degrees celcius.

3. Slicing bread, melting ice, mowing lawn.

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Chemical Properties

Any characterstic that gives a substance the ability to undergo a change in a new substance.

Examples:

1. Flammability (ability to burn)

2. Reacts with oxygen ( ability to rust)

3. Reacts with light ( pictures being develpoed)

4. Reacts with water( medicine dissolving in water)


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Chemical Change

A change in the identity of a substance due to chemical properties of that substance.

Examples:

1. Flammability ( fire burning to ash)

2. Reacts with oxygen ( fruit rotting)

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

4. Electricity ( water can be broken with electricity)


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