Look at this experiment!

/in /by

Have you ever eaten a packet of crisps and wondered what to do with the wrapper?

Try this!

What you need: 

  • Oven
  • Plastic (not foil) crisp packet – try a supermarket own brand, Chipsticks or Space Raiders
  • Water
  • Washing up liquid
  • Paper towel / dish cloth
  • Baking tray
  • Foil
  • Oven glove
  • AND AN ADULT

How to:

Ask an adult for help using an oven.

  1. Preheat the oven to 250 degrees Celsius.
  2. Eat your crisps.
  3. Clean your crisp packet using water and washing up liquid.
  4. Dry the crisp packet.
  5. Cover the bottom of the baking tray with foil.
  6. Put the crisp packet on the foil and put the baking tray in the oven.
  7. Leave the crisp packet for two to three minutes.
  8. Ask an adult to take the baking tray out of the oven – make sure they use an oven glove!

What has happened to the crisp packet?

Let me know your results and for some scientific explanation check on:

http://www.planet-science.com/categories/experiments/chemistry-chaos/2012/01/shrink-a-crisp-packet.aspx

Mr Wanless