Documents C HEMICAL AND P HYSICAL R EACTIONS. P HYSICAL P ROPERTIES A characteristic of matter that can be...

CHEMICAL AND PHYSICAL REACTIONS PHYSICAL PROPERTIES A characteristic of matter that can be observed without changing the substance into another substance Examples: Freezing…

Documents CLASSIFYING MATTER

CLASSIFYING MATTER ELEMENTS About 110 elements are discovered by scientists. About 90 occur naturally while the rest are man made. All matter is made up of Elements are organized…