Really good for a PEOP lesson or a Science connection :) Alka Seltzer Blob Bottles! - Such a great craft to do with kids! Need: 1 Liter (or any size) bottle, regular water, cooking oil, food coloring, and Alka Seltzer.
Blobs in a Bottle (The World's Easiest Lava Lamp) by sciencebob: Here is all you need: A clean 1 liter clear soda bottle cup of water Vegetable Oil Fizzing tablets (such as Alka Seltzer) Food coloring Kid's Science!
Fireworks in a Glass.get ready for your child to want to do this activity over and over again.my kids did! Can not use "gel" food coloring. Too bad since I have a ton of it and will never use it in my food.