Ice Cream in a Bag. In a small Ziplock bag, combine: C half and half (milk works too), 1 T sugar, 1 t vanilla. Insert small bag into a gallon Ziplock filled with ice and salt. Shake the bag for five minutes. Remove the smaller bag and you have ice cream!
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!