Physical Vs. Chemical Changes
BY: ADDISON MCCLEERY
WHAT IS IT ?
MATTER IS ANYTHING THAT HAS MASS AND TAKES UP SPACE .
THE PROPERTIES OF MATTER INCLUDE, SOLIDS, LIQUIDS, AND GASES .
PHYSICAL PROPERTIES
THE PROPERTIES INCLUDE : APPERENCE , TEXTURE , COLOR , ODOR , MELTING POINT , BOILING POINT , DENSITY , SOLUBILITY , POLARITY , AND MANY OTHERS .
1
Ice melting involves a change from a solid to a liquid .
2
Hot molten iron is a liquid and when left to cool will from solid steel .
3
Dissolving sugar into water .
CHEMICAL PROPERTIES
ANY CHARACTERISTIC THAT CAN BE DETERMINED ONLY BY CHANGING A SUBSTANCE'S MOLECULAR STRUCTURE.
1
Reactivity with water .
2
Heat of combustion .
3
Electromotive Force .
Physical Change
Any change NOT involving a change in the substance's chemical .
Chemical Change
Any change that results in the formation of new chemical substances.
Differences
physical you can put back but not not chemical !