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Physical and Chemical Changes

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

the molecules do not change   physical change  
the molecules change into something new   chemical change  
solid to gas   sublimation  
gas to solid   sublimation  
solid to liquid   melting  
liquid to solid   freezing  
liquid to gas   evaporation  
gas to liquid   condensation  
evidence for a chemical change   new colour, new odour, bubbles, energy, a solid forms  
breaking glass   physical change  
baking cookies   chemical change  
burning leaves   chemical change  
water freezing   physical change  
paint drying   chemical change  
bending a paper clip   physical change  
dynamite exploding   chemical change  


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Created by: mrohrling