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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Halloween is right around the corner and there is nothing better than to mix up some dry ice concoctions for your Halloween party. Grocery stores sell dry ice, especially around this time of the year, so call around or visit the customer service desk in your local grocery store and ask if they carry it. Dry ice is -110 degrees and can burn if it comes in contact with your skin, so plan ahead and bring a cooler and gloves with you to the store. Also keep in mind that you must be over 18 to purchase dry ice.
Dry ice goes from solid to gas in a process called sublimation. It skips the liquid phase. Drop some dry ice in a cylinder filled part way with warm water and listen to the oohs and ahhs. The water burps and bubbles
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Halloween season is the time to make bubbling potions, burping bubbles and low lying fog. The main ingredient in all of these concoctions (besides warm water) is dry ice. During the Halloween season, we get a lot of calls and emails from our customers looking for more information on dry ice. So here’s the low down on dry ice…please leave us a comment below if you have any additional questions on dry ice and our experts will do their best to answer.
What is Dry Ice?
Dry ice is frozen carbon dioxide. Carbon dioxide is part of the Earth’s atmosphere. Only about 0.035% of our atmosphere is made up of carbon dioxide. Most of the air we breathe is nitrogen (79%) and oxygen (20%). Plants use it for photosynthesis and we breath it out.
It is colder than ice made from water at -109.3°F (-78.5°C). Due to it’s extreme cold temperature, it must be handled with insulated gloves. It is used to keep food cold during shipping. When dry ice melts, it turns into a gas and not a liquid, like water.
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