AUSTIN (KXAN) - When freezing temperatures hit, meteorologists advise protecting pets, people, plants and pipes. While three of these are living creatures, one stands out: pipes. In this First Warning Weather University lesson, chief meteorologist Nick Bannin takes a closer look at how the cold weather can damage the pipes in your home. What you'll learn in this FWWU lesson: How water freezes differently than other liquids The amount of pressure created in a pipe How to prevent your pipes from bursting Other lessons in the First Warning Weather University: Why do we have seasons on Earth? Why does Lake Travis smell bad in the winter? Why air pressure matters