I'm looking for a fast acting experiment/activity for preschool age kids. My office goes around to preschools for Dental Health month and we need a fast acting activity that they can see before their eyes. Any ideas would be helpful.
Judy H. replied:
Disclosing tablets! ;0) Or: What Brushing Does Boil an egg in water with a tea bag. The tea bag will stain the egg brown. You can then give your children a toothbrush and let them brush the egg. The stains will disappear as you brush. Explain to them that this is what brushing your teeth does From: http://www.everythingpreschool.com/themes/dentalhealth/science.htm