THE ATOM Lesson 5 Check for Understanding
Part ONE: Terminology - Define the following terms
Physical Change: The chemical structure of the substance is not changed
Chemical Change: The chemical structure of the substances are changed
Part TWO: Identify each process below as Physical (P), Chemical (C)
P Boiling Water
C Magnetizing a nail
C Rusting of iron
P Distilling Water
C Exploding TNT
C Burning coal
P Cooling a vapor
C Souring of milk
P Crushing a rock
C Aging of cheese
P Dissolving sugar in water
P Melting butter
P Tarnishing of silver
P Vaporization of mercury
C Molding of bread
P Freezing of mercury
P Evaporation of acetone
P Heating iodine crystals
P Mixing salt and sugar
C Exposing photographic film
P Heating of platinum
C Heating a nail
C Decay of organic matter
P Rainfall
C Diluting an acid solution C Burning magnesium metal strips