You probably know about weather, but do you know what it actually is, how it works, and why it changes depending on where you are in the world? In Weather for Kids, you will learn that there are a number of factors that affect the weather outside. It's not just about how hot or cold it is. Think about what it feels and looks apart from hot or cold, such as wet or dry, clear or cloudy, and calm or stormy. This video discusses what causes all of these effects. You can use a thermometer to figure out how hot or cold it is outside quite easily. Should you weather a coat? Or is it time for a swim and a swimming suit would be more appropriate? Temperature is only one factor that affects the weather. Have you ever heard of humidity? The amount of water vapor in the air determines the humidity levels. Humidity refers to how wet or dry it is outside. The weather in hot desert likely has a very low humidity level, if any at all. However, in a tropical rainforest, even if it's warm as well, it m