Get a birds' eye view of the great state of Alaska presented in this spectacular slideshow by the New York Times.

View video footage from the scene of the plane accident that claimed the life of Polish President Lech Kaczynski, the first lady and key figures in the Polish Government. Was it pilot error, or that the Soviet-designed plane was more...

Contrails are human-made clouds from jet airplanes.

Lockheed 5B Vega

Illustration of a jet.

What is propulsion and how does it work? This NASA site provides an animated example plus many details related to its use in jet engines.

This resource provides numerous links that will give teachers and students an overview of rocketry.

From the Glenn Research Center at NASA, read about the law of conservation of energy. Included are formulas and many links to key terms.

Use this site to learn about basic gas properties including motion, viscosity, and compressibility. Includes links to activities for all ages.

NASA presents a concise explanation of Newton's three laws of motion. Click on the highlighted vocabulary to find more detailed and illustrated descriptions. Included is a link to a movie that shows how the laws of motion described the...

A description of how lift is a mechanical force that requires a fluid moving through a solid object and a change in velocity.

This site from NASA uses a colorful graphic to illustrate why objects reach terminal velocity. Provides equation for the terminal velocity of an object. Graphic is accompanied by a simple explanation.

This site from NASA provides a graphic depicting Newton's second law. Graphic is accompanied by an explanation. Part of a larger site with additional information on Newton's laws.