Harvard University
Harvard Smithsonian: Everyday Classroom Tools
The focus of this series of lessons is to engage students in an exploration of the world around them. The emphasis is on inquiry as students learn about the earth, sun, light, shapes and more.
Ohio State University
Beyond Penguins and Polar Bears: Common Misconceptions About Day and Night
Misconceptions about the causes of seasons and day and night are common through all ages. Use the information on this site to help your students understand these concepts. Included are links to many resources and lesson plans for...