We would be lost without maps! How are they made? Introduce junior topographers to LIDAR technology with a fascinating activity. Set up a mock city, then have learners operate a laser measure to determine the shape of the landscape using...

Students learn about radar imaging and its various military and civilian applications that include recognition and detection of human-made targets, and the monitoring of space, deforestation, and oil spills. They use technology tools to...

This site from the National Aeornautics and Space Administration provides a fun activity for the subject. "Clouds often hide large areas of the Earth's surface. We can use radar to make detailed maps of Earth right through clouds or...