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  1. Activity Bonfire night At a bonfire night party you will see lots of exciting chemistry! Your task: From the list discuss in pairs which are chemical reactions and which are physical changes. © Snapshot Science, 2010

  2. Activity Heating sugar to make toffee A bonfire burning Fireworks    Your breath cooling in the air Toasting burger buns Hot soup cooling down x x  Dissolving sugar in tea Keeping warm with a coat A lit sparkler x x  Wellies getting muddy The smell of hot dogs wafting over Lighting a match x  x Fizzy drinks going flat A hot pack heating up Glowing light sticks   x © Snapshot Science, 2010