At about the 20 second mark, the bar begins to change and we could clearly see that the hypothesis was quite accurate.
4 Analyze the results and see if you were right or wrong. We realized that we were kind of right. The soap was slightly warm to the touch, but it was obviously not the biggest change. We pulled the soap apart and felt it, smashed it to see what would happen to it. The kids were absolutely delighted with this part of the experiment.
5. Talk about the results. We talked about how what happened to the soap, why and how it felt. If you want a more technical explanation of the process, go here
All of the kids, ages 3 to 10, thought it was a great experiment. It did make the microwave smell soapy for a little while, but that seemed to wear off soon.