Sarah’s Science: Exploring Dry Ice through Experiments

Watch Sarah’s Science Experiment at Helotes Elementary School Here!

Hello parents, teachers and students! Don’t miss GMSA@9 on Wednesdays where Meteorologist Sarah Spivey conducts science demonstrations and explains the science behind them. This is in partnership with the San Antonio Zoo (Copyright KSAT 2023 – All rights reserved).

If you want to witness Sarah and David perform a live science experiment at your school, fill out this form. “Winners” are selected randomly.

Here’s what you’ll need for the experiments:

* Dry ice (ALWAYS handle dry ice with gloves)

* DRY ICE BIG BUBBLE: large bowl, dish soap/water mixture, water, shoe lace or strip of cloth

* EXTINGUISHING CANDLE: Tea light, match, Tupperware or small bowl

* DRY ICE “INSTRUMENT”: Cups/containers of different sizes/shapes, water, soap

* BILLIONS OF BUBBLES: water, soap

Now let’s do the experiments!


1. Fill a large bowl with water and add a little dry ice.

2. Dip a shoe lace or strip of cloth in a soapy solution and drag it across the bowl, sealing it with soapy water. You should see a big bubble form with vapor from the dry ice.


1. Place a tea light inside of a Tupperware and light the candle.

2. Add some dry ice around the candle and watch as it slowly extinguishes.

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