Sunlight & Mystery Class

Explore Reasons for Seasons to Solve a Mystery. As spring sweeps across the Northern Hemisphere, day length changes everywhere on Earth. Mystery Class is a global game of hide-and-seek.
Students follow sunlight clues to find ten secret sites located around the world. As students solve the mystery, they discover the reasons for seasons.
Students follow sunlight clues to find ten secret sites located around the world. As students solve the mystery, they discover the reasons for seasons.

The Prime Meridian at Greenwich