The Analemma

The Sun's analemma, or its apparent figure-eight pattern as it moves across the sky, is the topic of a short video that explains the science behind this trajectory.

Learners examine how Christopher Columbus determined his latitude.

Learners explore geometry by conducting a science experiment. In this circumference measurement lesson, students review the Greek geographer Eratosthenes who first discovered the circumference of our planet. Learners utilize...

Middle schoolers discover the change in seasons by the elevation of the sun. They measure the length of their shadow from the sun and compare it three to four months later. Students are taught that the Earth is in constant motion. They...