There is always a science for everyone. Here are some links for gross science experiments-
A Yeastly Feast
Fungus Among Us
Grow your own mold
Tons of Gross Stuff at Discovery Kids
The Yuckiest Site on the Internet
Bug Food Fake Recipies Yum!
Bug Food Two-Insects as Food
Bug Food Three -Insect Snacks from arount the world.
Silly Putty and Gack Recipes-sticky icky stuff!