We’re well into the swing of summer and, to reach those destinations that are more than a train or car ride away, flying is a popular travel option.

When you're up in the air, looking at the white fluffy clouds, you may wonder about the science of it all. But there are some other practical questions that often pop up when we're on a plane.

Commercial pilot Harkirit Singh Gill has answered five of these popular questions. So sit back, relax and enjoy being whisked away on a journey full of fun flying facts.