The Magic Ketchup Experiment! Kid friendly site with lots of neat experiments!
Exploding bags with baking soda and vinegar-science lesson. They take off like rockets!--kids would love this...um, I would love this
10 Fun science experiments your kids will go crazy for! www.beingreese.co...
Science for Kids: Crystal Suncatcher Craft - Babble Dabble Do
Cool science experiment! Dissolve egg shell off with vinegar and it will become a "naked egg" that can bounce... how fun!
Simple volcano science for kids demonstrating how magma breaks through the surface of the earth creating an eruption. All you need is toothpaste, dirt, and an empty container!
Simple Science - Rising Raisins. Kids will love watching the raisins rise and sink and discovering the science behind the process.
Here is a great experiment for density but I liked the added ping pong ball, beads, and other solid materials. It also uses a lot more liquids of different densities than all the ones I have seen.
You've seen the boiling water to snow videos. Here's how and why it works. This is a must read before you try it yourself.
Gradient Easter eggs. Put dye in cup so bottom third of egg is covered. After a few minutes add water until half the egg is covered. Repeat until whole egg is covered.