University of Colorado
Strange New Planet
The first remote sensors were people in hot air balloons taking photographs of Earth to make maps. Expose middle school learners to space exploration with the use of remote sensing. Groups explore and make observations of a new...
Curated OER
Are we alone? Do aliens exist?
Students discuss the existence of aliens in the universe. In this alien lesson, students discuss the answers to the questions: What are the chances that aliens exist in the universe? and What are the chances that aliens have visited earth?