Students relate the geography and economics of Utah. For this geography lesson, students log their use of resources both natural and synthetic. Students participate in an experiment to understand how the Earth will be in the future if...

Students research and map the Colorado River and its dams and predict the effects of a dam on an area. They suggest reasons a dam would be built and compare the Colorado River system with other major river systems within the US and...

Third graders search TDC database for images of immigration from other countries, maps, and diaries. They identify the challenges that immigrants had to endure to reach the United States.

Learners are given a history of electricity and its development into the modern age lifeline upon which we so depend. The methods of power generation are introduced, and further discussion of each technology's pros and cons follows. ...