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