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NASA
Exploring A Crater
This video looks at a NASA Goddard Instrument Field Team deployment to the Kilbourne Hole maar crater in New Mexico. The scientists came here to test hand-held geological instruments that may one day be used by astronauts...
Curated Video
The Fascinating World of Helium
This video provides a comprehensive overview of helium, covering its properties, discovery, and various applications. It explains how helium's unique characteristics make it ideal for cryogenic purposes, such as preserving food and...
Khan Academy
Khan Academy: Build Your Own Cd Spectroscope: Materials, Tools, and Steps
Learn how to make a simple"but effective"spectroscope out of an old CD and a cardboard tube in this video. [3:43]
Khan Academy
Khan Academy: Intro: Turn an Old Cd Into a Spectroscope to Analyze Light & Color
Will the real white light please stand up? Two light sources that appear the same to your eye may actually be made up of different wavelengths of light. In this science snack activity, Paul Doherty of the Exploratorium Teacher Institute...