Properties of Matter

Soap Sculptures

Enrichment Activity for 5-11 11-14

What you need

  • A microwave
  • A bar of quality soap


  1. Put the soap on a dish in the microwave
  2. Heat it on full power for about 1 minute
  3. WARNING: The soap may smell strongly so don't do this before heating food

Results and Explanation

Tiny pockets of gas in the soap expand in all directions, pushing the soap into strange and artistic shapes.

These experiments have not been specifically safety tested for home use but we believe them to be safe if the instructions are followed. Adult supervision or direction is recommended as appropriate. All experiments are carried out at your own risk.

We've won an award!

Teach Secondary Awards

We have been awarded 5 stars for our CPD programme.

Learn more