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In this online interactive, learners investigate fires, particularly the causes and behavior of forest fires, as well as how the National Park Service deals with fires. Learners modify conditions ...

In this online interactive, learners investigate "The Case of the Disappearing Dark Sky." Learners discover how human development leads to fewer visible stars as well as the effects of...

In this online interactive, learners match different dinosaurs to their food (plants or animals). Learners look for clues in the bodies, necks, teeth, and heads of the dinosaurs to make inferences...

In this online interactive, learners create timelines by placing images of various landforms in order to depict the effects of erosion over time. Learners are introduced to the process of erosion,...

In this online interactive, learners match modern technologies to the tools and things used by the Southwest Wupatki. Learners will explore how the people of Wupatki grew and cooked food, collected...

In this online interactive, learners explore the various types of life that live in fresh water systems and how the presence of these organisms is an indication of the overall health of the water....

In this online interactive, learners investigate changes in the environment at various locations across the United States. Investigations of an Alaskan coastal community, the Pika, coral reef...

In this online interactive, learners are introduced to the basic function of Geographic Information System (GIS) maps in relation to national parks. Recognizable park boundaries are presented and...