GLOBE Program
Making a Sundial
Sundials are more than just primitive clocks. Learners build their own sundials to study the location of the sun across the sky throughout the day. They use shadow evidence related to their sundials to make conclusions about solar movement.
North Carolina Museum of Natural Sciences
Weather Watch Activity Guide: Groundhog Day
Exactly what do groundhogs know about weather? Not as much as your science students will after completing these lessons and activities that cover everything from the earth's rotation and the creation of shadows, to cloud...
Curated OER
Astronomy: Picture Time
Students investigate how to tell time by observing the placement of objects in the sky. Researching on the Internet, they locate the time for sunrise and sunset, the time the full moon rises, and the difference between clock and solar...