We just can’t get enough of dry ice at Halloween. It’s perfect for many bubbling, spooky science activities. One favorite demonstration is the Dry Ice Crystal Ball Bubble. This activity will have your audience oohing, ahhing, then asking to do it again. First, purchase a few pounds of dry ice at your local grocery store. Bring gloves and a styrofoam cooler with you. Be careful – dry ice is -110 degrees below zero and can burn skin.
Cut a strip of cloth about 1 inch wide and 18 inches long (an old t-shirt works well). Soak the cloth in a solution of Dawn dish soap or use your favorite recipe for making bubble solution. Make sure that the cloth is completely soaked. Use a smooth-lipped bowl and fill it half way with warm water. Using gloves or tongs, add enough dry ice to the
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It’s dry ice season, or Halloween time. It’s all the same in our office. Every year I try to find something new and exciting to do with dry ice for Halloween. We receive hundreds of calls in the office at this time each year about where to find dry ice, how to store it and how to use it in the classroom or at a Halloween party. This year I’ve made a handheld smoke ring launcher. It’s kitchen science in your hand, it’s addictive and of course it’s educational.
