This classic science experiment with a bar of ivory soap and a microwave can teach kids about waiting for God’s goodness to shine through.


  • Bar of Ivory Soap
  • Large microwave safe bowl
  • Microwave (you can use the one in the church kitchen if you don’t have one in the classroom)


1. Put the soap in the bowl.

2. Place the bowl in the microwave.

3. Heat for 2 minutes.

4. Observe the results.


Ivory soap contains tiny bubbles of air, which also have water in them. At high tempera-tures water turns to gas, which makes it expand. This makes the whole bar expand.


Have you ever felt your heart grow when someone loves you? It may not phys-ically grow but you can feel it. You might feel happy or more loving yourself. A mother’s love helps our love grow like this soap. Her love is the heat, and our hearts are the soap. They grow and become more loving and giving as a result.