Physical and chemical smore

By William W 7th period

Physical Properties

A characteristic of a substance you can observe without changing the substance

Ex:melting point,boiling point,color,density,odor,solubility ,volume and hardness

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Chemical property

<--- flammability Chemical property's are characteristics you observe when a substance interacts with another substance

Ex rusting,flammability,reactivity with other chemicals,toxicity and radioactivity

Physical changes

A physical change is a change that alters the form or appearance of a substance but does not change the substance

Ex:freezing point,mass,color,boiling point,Length,odor

Chemical changes

A change in matter that makes a new substance

The five indicators are precipitate,color,gas,temperature and reversal

Ex iron rusting,wood burning,digesting food

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