Science Buddies
Science Buddies: Build Your Own Helio Tracker That Turns With the Sun
In this science fair project, design and build a mechanical sunflower device that faces the Sun as the sun moves through the sky. By harnessing solar energy, your sun tracker should follow the movement of the sun.
BioEd Online
Bio Ed Online: Reason for the Seasons
In this set of activities, the path the Sun takes in relation to the Earth is tracked by students on two days, with three months in between them. They will develop an understanding of what causes the seasons as they examine the effects...