0807.9.8 Determine whether a chemical or physical change has occurred

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vocabulary:

physical property- A chracteristic that can be observed or measued without changing the identity of a substance.

chemical prorty- a characteristic that determines how a substance will interact with other substances during a chemical reaction.

reactivity- how likely the atoms or molecules of one substance are to form bonds with the atoms or molecules of other substances.

physical change- alters the physical properties of a substance without changing the identity of a substance.

chemical change- occurs when one substance changes into a new substance with different properties.

chemical reaction-

precipitate

combustion

reaction