[custom_gallery source=”media: 3971,3970,3969″ limit=”3″ link=”lightbox” target=”self” width=”180″ height=”260″ title=”never”] We did some experiments on chocolate. It was fun to see which dissolved the fastest mix in hot or cold water. Then we decided which candy bar would float in water musketeer bar or snicker bar. Then we found out why each one did what it did. Of course, after we had a chocolate treat.