Matching Pairs CHANGESOnline version RELATE by OLGA arnal terren 1 CHEMICAL CHANGES 2 COMBUSTION 3 OXIDATION 4 FERMETATION 5 PHYSICAL CHANGES MATTER IS TRANSFORMED INTO A NEW SUBSTANCE THIS IS A CHEMICAL REACTION THAT OCCURS WHEN A SUBSTANCE COMBINES WITH OXYGEN IN THE AIR TO FORM A NEW SUBSTANCE CALLED RUST THE SHAPE OR FORM CHANGES BUT THE MASS AND VOLUME STAY THE SAME THIS IS A FAST OXIDATION THAT OCCURS WHEN A SUBSTANCE CALLED FUEL COMBINES WITH OXYGEN AND BURNS THIS CHEMICAL REACTION OCCURS IN THE ABSENCE OF OXYGEN AND BY THE ACTION OF VARIOUS LIVING THINGS