More to explore:
Causes, Symptoms Treatment of Couvade Syndrome
Couvade Syndrome Man's Sympathetic Pregnancy
Making A Rock In A Cup- Great lesson in geology for preschoolers. (sedimentary rock)
Way to show mummification using hot dogs. Could be an interesting experiment.
sunscreen test using hotdogs
The effects of sugar to limestone -- Science Fair Project
Science fair: what toothpaste whitens the best?
Science Fair: Naked Egg
Science Fair: The Genetics of Eye Color
Science Fair Project
An Alternative to Road Salt | Education.com #ScienceFair experiment and references
Science Fair: Lemon Battery Science Fair Project
Science Fair: Baking Soda and Vinegar Balloon
popcorn science fair project | Science Fair Success
this sounds like a great idea