Steve Spangler Science: Gaviscon Worms – The Science of Antacids
Steve Spangler Science

Demonstrate the science behind Gaviscon as it works to create a polymer barrier between the oesophagus and excess acid in the stomach.

Steve Spangler Science: Heat Sensitive Worms
Steve Spangler Science

Reacting to temperature, these Heat Sensitive Insta-Worms change color!