How to make a volcano | Science with Greg Foot and George’s Marvellous Medicine

George wants to mix a marvellous medicine which will create an explosion! You can’t do this at home but TV, YouTube and Blue Peter Scientist Greg Foot can show you how to make a homemade volcano with the help of George’s Marvellous Experiments: Read Roald Dahl’s original story George’s Marvellous Medicine: