What happens when the ground under your feet is ice and it's moving? This video segment adapted from NOVA features some of the dangers faced by scientists conducting research in Antarctica.
This segment from FRONTLINE: "A Class Divided" profiles the second day of an experiment in discrimination based on eye color that took place in a third-grade class in 1970.
This interactive activity from the Adler Planetarium explains the reasons for the seasons. Featured is a game in which Earth must be properly placed in its orbit in order to send Max, the host, to different parts of the world during particular seasons.
This animation from NOVA Online lets you examine a five-day view of the jet stream.
When the Earth spins around on its axis, it creates night and day on Earth. This movement makes it look like the Sun is moving across the sky. The Sun rises in the east and sets in the west, turning day into night.
