
Telling Time with the Sun
One of the most interesting ways that humans have used the sun over the years is to tell time. You'll find two projects that focus on creative ways of telling time in my Summer Solstice book, but here are two more ways you can explore this idea. Make a Sundial Shadows are the shortest they will be all year on the Summer Solstice which makes it a practical and fun time to make a sundial. You'll need something to serve as the "gnomon" which is the the piece that casts the shadow, and then you'll need something to record the position of the shadow every hour on the hour. We are using rocks here, but you can use whatever you want/ have available. Materials: rocks (or some other object of…