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 Sorting Game Sort photos of clouds by altitude, by composition, and into groups based on whether they are smooth or turbulent. Cloud Types Clouds are given different names based on their shape and their height in the sky. View a table to learn about each cloud type and how they are grouped. Cloud Matching Game How well can you identify cloud types? Try this matching game and test your skill! Clouds Memory Game Test your memory while you learn about clouds! Click on tiles to reveal photos of clouds - and try to find a matching pair. Clouds, A Teaching Box A collection of educational resources to bring cloud science to elementary students. Cloud Games and Simulations Test your knowledge with one of our games or gain a deeper understanding of clouds through a simulation. Cloud Videos Short video clips about clouds - including different types of clouds, where they form in the atmosphere, and their shapes. Cloud Image Gallery Photos of various types of clouds and diagrams to help you understand clouds.