Question

Question 3 / 5
What type of energy transfer is most used to make a hot air balloon float?


Select an answer

A.
convection


B.
conduction


C.
radiation


D.
absorption

Answer 1

A. convection

Heating the air inside the balloon makes it warmer and less dense than the surrounding air, so it rises — a buoyant effect produced by convective flow of the heated air.