Elephant Toothpaste Experiment

Preschool powol packets posted instructions for how to make what she calls elephant toothpaste.  The experiment calls for hydrogen peroxide so you'll need to do the experiment for the kids, but it's still a great way to talk about chemical reactions and the scientific process.

Get the instructions here:
http://preschoolpowolpackets.blogspot.com/2012/01/science-experiment-elephant-toothpaste.html  

We made that has a version as well.

Get the instructions here:
http://we-made-that.com/elephant-toothpaste-experiment/

Navigating by joy has a three ingredient version with optional food coloring.

Get the instructions here:
http://www.navigatingbyjoy.com/2013/02/16/elephants-toothpaste-fun-with-catalysts/