Exploratorium
Exploratorium: Making a Sun Clock
Learn how to use the sun to tell time. This simple activity reinforces the concepts of light and shadow, night and day, time, and geographical north vs. magnetic north.
Other
Solar Music Helioseismology
This lesson plan demonstrates how to gather knowledge about an object (the Sun) using our sense of hearing. This instructional activity is designed for grade levels K-3.
NASA
Nasa: Solar Data Analysis Center: The Sun
This site presents a general overview of the sun, followed by questions scientists are currently trying to find answers to, and links to several "Sun related," sources.