Have you ever wondered why a bag of crisps ( or potato chips ) expands on an aeroplane? It's all about air pressure. The crisp packet was sealed at a lower altitude where atmospheric pressure is higher than at higher altitudes. As a plane takes off and altitude increases, the atmospheric pressure outside the bag […] The post Why Do Crisp Packets Puff Up at High Altitude? The Science Explained appeared first on Science Experiments for Kids.
