Halloween Dry Ice Science – Dry Ice Crystal Ball Bubble
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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