North Carolina Museum of Natural Sciences
Weather Watch Activity Guide: Groundhog Day
Exactly what do groundhogs know about weather? Not as much as your science students will after completing these lessons and activities that cover everything from the earth's rotation and the creation of shadows, to cloud...
Sophia Learning
Sophia: Bill Nye Demonstration: Cloud in a Bottle
Watch and learn with Bill Nye the Science Guy as he demonstrates how clouds form in the atmosphere using a glass bottle and a bicycle pump. [2:10]