Until now!
Special thanks to this site for the idea, check it out for other great experiments to do with your kids!
This was so easy to make... here is how you and your kids can make one of your own...
You'll need:
*Clear plastic bottle
*Water
*Vegetable oil
*Food coloring
*Alka-seltzer tablet
Start by filling up your water bottle about a quarter full of water, then the rest with vegetable oil. After a minute drop in your food coloring.
Then break up your tablet of alka-seltzer and drop in a piece. Watch your kids faces light up as they see this start to happen...
Check it out in action!
Have fun!~ Miranda