Learn about chemistry! 100 kitchen activities in chemistry include balloon trick, gas cannon, making a geyser, cleaning old coins, cola volcano, and more! 100 kitchen activities in chemistry. Discoveries about plants, shell an egg without touching it, make a volcano, and giant soap bubbles. 3-D soap bubble sculpture, grow crystals, secret writing, monster dough, fun shaped soap, volcano, propelled motor boat, yogurt and cheese, gas cannon, perfume, includes full color simple-to-read instruction manual.