Do you know that some chocolate bars float while others sink? Let your kids find out which candy will float.
Examples: 3 Musketeers bar, Kit Kat bar, marshmallows, etc.
The science behind it: Some candy has air trapped inside. It makes it possible for it to float on water.
Example: Take a 3 Musketeers bar. Poke a hole in it. Drop it in water. Do you see bubbles escaping?