Screaming jelly babies

[1] The experiment is practised in schools around the world and is often used at open evenings to show the more engaging and entertaining aspects of science in secondary education settings.

The reaction produces a "screaming" sound as rapidly expanding gases are emitted from the test tube.

[7] Other carbohydrate or hydrocarbon containing substances can be dropped into test tubes of molten chlorate to produce similar results.

KClO4 → KCl + 2 O2 The sugar in the candy reacts with oxygen, forming water and carbon dioxide.

[12] A face-shield and heat resistant gloves should be worn by the person adding the jelly baby to the molten potassium chlorate.