DIY Amazing Density Tower from Things Found in Your Kitchen by stevespanglerscience: Make objects float in the middle of a liquid with this amazing trick. The idea is cool, but you need a tall glass (a vase?) and lots of each liquid to make it look good.
Sweet and Simple Things: Rainbow in a Jar - how to make a liquid rainbow. I did this with the kids as near as I could - some ingredients weren't available in Australia. Word of advice - don't shake it up!
Create a model of Ocean Zones (layers of the ocean) using a jar and several household ingredients! Objectives: Identify the different layers of the ocean. Describe what lives in each layer of the ocean. Use small motor skills to pour objects into the jar.
This could be a fun science fair project someday :) Ants stomachs are transparent. a woman noticed it when ants drank/ate spilled milk one day so she gave them some colorful candy and then photographed them!
Funny pictures about This is what happens to an egg submerged in vinegar. Oh, and cool pics about This is what happens to an egg submerged in vinegar. Also, This is what happens to an egg submerged in vinegar.