Junior geologists become the force that makes the world go around! With a lamp on the floor in the middle of the room to represent the sun, volunteers hold a globe, revolve, and rotate. Observers notice how the light hitting the globe...

Students investigate how the sun travels across the sky at different latitudes using Solar Motion Demonstrator. In this earth science lesson, students explain why seasons change. They study how the tilt of the Earth's axis affects...

Third graders view a classroom simulation that demonstrates how the Earth's rotation creates day and night.