Lars in Antarctica needs help. Can you help him with all the months of the year and with mass?

In this video, Lee Hotz describes research into greenhouse gas emissions and global climate change taking place at the South Pole in Antarctica. [9:46] Includes a brief quiz and a list of additional resources to explore.

This site from USGS provides several activities to help understand the interrelationships among earth surface processes, ecological systems, and human activities. Also included are links to new findings and programs concerning Earth...

The Discovery Channel provides numerous lesson plans dealing with the physical sciences. Content is organized by grade level, but all lesson plans include suggestions for adaptations for older or younger audiences.