This resource discusses the energy levels of a periodic solid, and the effects of impurities on the energy levels. Applications of the energy levels to light emission and color are explored. The site includes an...
As a cameraman leans in to get a shot of a blue whale, this massive creature glides through the water off of Costa Rica. That's the opening photograph that visitors to this interactive article from National Geographic...
This resource discusses the energy levels of in a solid, including conduction, valence, and impurity bands. Transitions between levels that model phosphorescence are described. The importance of thermal transitions in...
Earth's surface has changed in countless ways during the 4.6 billion years since it formed, and it continues to change today. This video segment looks at some of the geologic processes that have shaped the landscape...
This lesson is designed to help students gain knowledge in using the MY NASA DATA Live Access Server (LAS) to obtain a microset of data, in using Excel to graph the data, then using the graphs to investigate the...
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