Clouds What makes a cloud form? What are the different types of clouds? Explore these questions and test your cloud knowledge. Clouds and How They Form How do the water droplets and ice crystals that make up clouds get into the sky? And why do different types of clouds form? Cloud Types Clouds are given different names based on their shape and their height in the sky. Learn about each cloud type and how they are grouped. Field Guide to Clouds Mobile App Learn about clouds in the sky with our portable Field Guide to Clouds. Clouds Activities Cloud Images Cloud Videos Cloud Games and Simulations
