How matter changesWhat does it change into?

Is This Matter Changing?

? freezing? cutting

? bending

? heating

Is this Matter Changing into something new?

Even though the wood has changed shape, the wood is still wood!

Is this matter changing into something new?

Is this matter changing into something new?

Is this matter changing into something new?

Physical Changes…Nothing New• Ice cream to melted ice cream?

• Chocolate to melted chocolate?

• Ice, to water, to water vapor?

• Steel to molten steel?

PERMANENT CHANGES

Fireworks are metals (magnesium and copper) that change chemically as they light up the night skies.

SIGNS OF CHEMICAL CHANGES

• Color Change

SIGNS OF CHEMICAL CHANGES

• Energy released

SIGNS OF CHEMICAL CHANGES

• Energy absorbed

SIGNS OF CHEMICAL CHANGES

• Production of a Gas

SIGNS OF CHEMICAL CHANGES

• When food spoils, it undergoes a chemical change.

• Odor released

SIGNS OF CHEMICAL CHANGES

• Not easily reversed

PERMANENT CHANGES

PERMANENT CHANGES

PERMANENT CHANGES

PERMANENT CHANGES

PERMANENT CHANGES