Color is an important tool used in studying and interpreting satellite images. In this set of activities, students will make a color map of the global biosphere, distinguish between and learn the importance of true colors and false colors on satellite images, and speculate on how geographers and scientists might use false color images to study Earth's surface. The URL opens to the investigation directory, with links to teacher and student materials, lesson extensions, resources, teaching tips, and assessment strategies. This is Investigation 4 of four found in the Grades K-4 Module 1 of Mission Geography. The Mission Geography curriculum integrates data and images from NASA missions with the National Geography Standards. Each of the four investigations in Module 1, while related, can be done independently.