Chemical and Physical changes/prop.

Phen Hardin

Chemical Changes

Usually, a different substance is formed. And it can not be changed back to its normal substance. Examples: Burning, tarnishing, rusting, cooking, etc.

Physical Changes

Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.
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Chemical Properties

Describes how substances can form different substances.
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Physical Properties

Characteristics of a substance that can be observed without changing the substance. Need to use 5 senses.

Examples: Color

Shape

Size

Texture

Volume

Mass