TED Talks
Ted: Ted Ed: Sending a Sundial to Mars Bill Nye
Video presentation by Bill Nye about sundials and what they can reveal about Earth and other planets. [7:50] Includes a short quiz and a list of additional resources to explore.
Science Education Resource Center at Carleton College
Serc: Tracking the Sun: Observing the Path of the Sun Throughout the Year
Over the course of the school year, students collect weekly data about the sun's position at a specific time of day, resulting in creating a figure "8" that shows the path of the sun called an analemma.