COLUMBUS, Ohio (WCMH) — Storm Team 4’s meteorologist Liz McGiffin met up with Dr. Alyssa Cassabaum-Smith, a scientist at COSI, to make a lava lamp in a bottle.

This is a simple experiment that can be done at home with a cup or bottle, oil, water, food coloring and Alka-Seltzer tablets.

You can watch the walkthrough of the exhibit in the video player above.

To look into exhibits that are currently open, or check when they are open, you can visit

During the holiday season, COSI will have some adjusted and extended hours. Click here to check their hours and look at the calendar of events.

Check out some other experiments and demonstrations below:

Inside Doc McStuffins and interacting with a blue-tongued skink

Inside “Pterosaurs: Flight in the Age of Dinosaurs” exhibit


Touring Doc McStuffins with Dr. B

Halloween Candy Experiments

Using Candy to demonstrate air pressure