Energy is neither created nor destroyed - and yet the global demand for it continues to increase. But where does energy come from, and where does it go? This video examines the many ways in which energy cycles through our planet, from...

The Earth has been in a state of continual change since its formation. The major part of this change, involving volcanism and tectonics, has been driven by heat produced from the decay of radioactive elements within the Earth. The other...

Human beings have an enormous impact on the natural environment, and ultimately on each other. The way we chose to house, clothe, shelter, and meet the needs for vital resources such as food, energy, and water, not only affect the...

A suite of lessons focusing on finding the fossil evidence for lithospheric plate tectonics. Inquiry-based exploration of plate tectonics evidence includes fossil distribution, earthquakes, and volcanoes.