Physical and Chemical

By: Olivia Palmer 6th period

Physical Property

Definition

A physical property is a characteristic of a substance that can be observed without changing the substance into something new.

Examples

-color

-texture

-hardness

-temperature at which a solid melts or a liquid boils

Chemical Property

Definition

A chemical property is a characteristic that is observed when a substance interacts with another substance.
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Examples

-the ability to rust

-tarnish

-flammability

-the ability to explode

Definition

A physical change is a change that alters the form or appearance of a material but does not make the material into another substance.

Examples

-chopping wood

-cutting paper

- breaking glass

-molding clay

-bending wire into a new shape

- ice melting

Chemical Change

Definition

A chemical Change, or chemical reaction, is a change in matter that produces new substances.

Examples

- the souring of milk

- the burning of wood

- rusting

- the burning of paper

- making a cake

The Five Indicators

You have a clue a chemical change has happened when...

- new gas forms causing bubbling, fizzing, or foaming

- changes in temperature

- changes in color

- production of light, smoke, sound, or a new odor

- rusting or tarnishing appear