The Foaming Pumpkin Demo – Flinn Scientific Canada

Since Halloween is around the corner, here’s a popular demo that is certainly engage your students.

Place a beaker of green solution inside a plastic pumpkin, add a mysterious yellow liquid and stand back! Foamy ooze and steam will erupt out of the pumpkin’s eyes and nose.

Please note that this demo requires a 30% hydrogen peroxide solution, which is severely corrosive.  Be sure to follow the safety precautions contained in the activity instructions.

Click here to download the complete activity