Fill in the Blanks Cambios químicos y físicosOnline version Cambios químicos y físicos de la materia. by Karina Cabriales 1 Chemical Chemica Chemical Chemical Physical Physical Physical Physical Physical Chemical Physical Physical The following are either physical or chemical changes . Write ? physical' for physical changes and ? chemical' for chemical changes . 1 . Butter melting . 2 . A glass cracking when heated . 3 . Water exposed to extreme cold becomes ice . 4 . Burning sugar for caramel . 5 . Disolving sugar in water . 6 . Tearing a piece of paper . 7 . Slicing cheese . 8 . Condensation of water vapor . 9 . A metal spoon rusting . 10 . Frying fish . 11 . Baking a cake . 12 . Acid rain disolving paint off a wall .