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