Here are 3 examples where the color of a cloud, combined with the thickness of that cloud, can give you some idea of what's going on weather-wise in the skies behind it. These are scattered cumulus clouds, towering cumulus clouds, and scattered cumulus clouds.
Big storms like hurricanes are really tough to explain to kids. Here are some great websites which help kids learn about hurricanes, including hurricane safety and hurricane preparedness.
Strong wind can make a cold day feel even colder by robbing heat from the human body. Here's the formula used by the National Weather Service and a link to the wind chill calculator.
A brief history of Global Warming sounds a bit oxymoronic, but we've found a relatively short book, written in relatively easy to understand language, from which you can get a decent foundation of history, science, politics on this hot topic.