From the USSR's launch of Sputnik in 1957 to Neil Armstrong's mission to the moon in 1969, review major events in the timeline of the space race during the mid-twentieth century. 

Seven percent of Americans believe the moon landing was staged. The presentation covers manned space exploration from the beginning of the space race through the Gemini missions. The lesson is the 23rd in a set of 26.

And so, my fellow Americans: ask not what your country can do for you—ask what you can do for your country. And so begins your invigorating, innovative learning experience in the JFK Challenge app! Learners...

High school physicists apply their knowledge of planetary motion. Using Kepler's three laws, Newton's law of universal gravitation, and the provided properties of the moon, sun, and Earth, they proceed to solve 23 problems. An...

Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT- or the equation Distance = Rate x Time- we can calculate their rates, using the distance they traveled and the time they took....