Popping boat

By Mangotsfield School

This video is about a popping boat! the popping boat works by a lit candle which is placed into the boat, there are tubes from the boat to the water so as the heat travels through the tubes it evaporates the water and causes the boat to be propelled forward.

 

Question

what gas is produced?

Answers

(a) nitrogen
(b) water vapour
(c) helium
(d) oxygen