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Cool Science

How to Clean Your Terrarium with Dry Ice

Terrariums are no fun to clean, but dry ice is here to help! It’s safe, non-toxic and beats the heck out of getting in there with a brush and bleach. Here’s how to do it: 1. Temporarily move any terrarium residents (i.e. frogs or other amphibians, reptiles, plants) to a safe location. 2. Get a […]


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Who Invited the Mosquitoes? A Guide to Fending off Pesky Bloodsuckers

Whether you’re fishing or grilling with friends, being bitten by mosquitoes can ruin any outdoor adventure. To avoid becoming a tasty treat, use dry ice to distract the buggers! Here’s how it works: Mosquitoes are drawn to carbon dioxide, which is produced by mammals when they breathe and by charcoal when it burns. The key […]


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Dry Ice is a Cool Color Indicator

The Penguin really enjoys science – especially when dry ice is involved! One of his favorite dry ice activities is captured in this video of a chemical demonstration that was conducted at Massachusetts Institute of Technology (MIT). Check out the video, titled ‘Colorful Indicators’, below: When conducting any science experiments with dry ice, The Penguin […]


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Who Cut the Dry Ice?

It’s no secret that The Penguin loves science experiments, and there are many that can be conducted in the classroom or at home to exhibit the various unique properties of dry ice. One example utilizes some basic tools found around the home to generate a very interesting effect: These sounds are a common occurrence when […]


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Dry Ice Meets Liquid Nitrogen

Dry ice is extremely cold, but did you know that liquid nitrogen is more than 200 degrees colder than dry ice? What would happen if you were to mix liquid nitrogen (at a stunning -346 degrees Fahrenheit) with dry ice? Luckily, we have great science resources over at Frostbite Theater, put on by the Jefferson Lab, […]


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Bubbles with Dry Ice

Ordinary soap and water bubbles from your childhood are now a thing of the past with the help of dry ice! Our favorite super scientist, Steve Spangler, has created a video of a dry-ice bubble experiment that you can safely try at home: To recap, here’s what you need: Plastic jar with a lid 1 Threaded […]


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Creating Long-Lasting Fog Effects with Dry Ice

We are often asked why dry ice produces a large amount of fog when water is poured over it. The answer is quite simple, and it’s something that can be a lot of fun to experiment with! The fog that is created is comprised of heavy water vapor and sublimated CO2. This vapor is even […]


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Cool Science: Five Fun Experiments With Dry Ice

Remember all the exciting science experiments you had a chance to try in high school? Why not bring that thrill of discovery into your house? Using dry ice for home science projects is fun as long as you know how to handle it properly (make sure you check out our safe handling guide). We recently […]


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Simple Halloween Decorations from the Science Whiz!

Dr. Anne Marie Helmenstine, Ph.D., is the pro behind the great chemistry content on About.com. Each October, she provides scary fun tips for readers to dress up their Halloween parties. The best part? They’re easy to recreate in your own home! Here are just a few of her fantastic ideas: Homemade fake blood for an […]


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Ask The Penguin: How To Make Lots of Fog and Hold Soap Bubbles

The Penguin gets a lot of fan mail – as the leading avian expert on dry ice, he often receives questions about how to use it in some really cool ways. The below question comes to us from Robbin: Mr. Penguin, I am working on a photography project. I will be shooting at night will […]


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