How much do you really know about our planet? Middle schoolers build up their prior knowledge about Earth, its placement in the solar system, its composition, and important geological vocabulary with an introductory earth science lesson.

What occurs following a natural disaster? High schoolers research this question and others as they investigate natural succession after a disaster. First, as they differentiate between primary and secondary succession, they explain...

The Maltese Cross Cabin, a frontier residence of Theodore Roosevelt, is a time capsule that commemorates Roosevelt's time in the Dakota territory. An explanatory video and response guide takes students on a virtual tour of the wooden...