Physical and chemical
by:Will T.
Physical properties
Definition-Any property that is measurable whose valve describes a state of a physical system.
examples:
1.color
2.smell
3.density
no example:
1.reactivity
The Physical Properties and Chemical Properties of Matter - Chemistry
physical change
Definition-a change in matter that does not effect the chemical composition.
examples:
1.water freezing and melting
2.cuting paper
3.condisation
no examples:
1.fire burning
chemical properties
Definition-A characteristic of a substance that is observed during a reaction witch the chemical composition of the substance is changed.
examples:
1.Heat of combustion
2.PH
3.reactivity
no example:
1.color
chemical change
Definition-A process that changes substances into new substances.
Examples:
1.burning wood
2.blood changing color
3. eating food and stomach acids break down the food
Non examples:
1.precipitation
Indicators:
1.Color change
2.gas produced
3.temp change
4.odor released
Amazing chemical reactions!