Transcript snakes-alive1 - Snapshot Science

Activity
Snakes alive!
How does this firework
happen?
© Snapshot Science, 2011
Activity
Rearrange the cards to help you
to write an explanation of how
the snake firework happens.
Another name for sodium hydrogen
carbonate is baking powder. This
is added to cakes to help them
rise.
propanol + oxygen 
carbon dioxide + water (+ HEAT)
Burning sugar caramelises it
giving a black colour.
© Snapshot Science, 2011
Propanol is a type of alcohol.
sodium hydrogen carbonate 
sodium carbonate + carbon dioxide
+ water
Alcohols are fuels.
Heating sodium hydrogencarbonate
above 50°C breaks it down.
This is a thermal decomposition
reaction.