Khan Academy: Build a Ping Pong Ball Launcher

Students, in groups, use given materials to devise a way to deposit a ping-pong ball into a paper cup that is located in the middle of a 6-foot diameter circle, while standing outside the circle.

How can you launch an object that isn't propelled by air? The resource provides directions to build a launcher to launch rockets made of two-liter bottles. The launcher, built mainly from materials found at the local hardware...

A lesson about the Manhattan Project will explode young physicists' understanding of the racial attitudes in the United States during and after World war II. Groups select an African American scientist or technician that worked on the...

If floating were easy, everyone would do it! How does the Coanda Effect work? A video from a fascinating physics playlist shows how balanced upward and downward forces float a ping pong ball in a stream of air.

Explore, create, and make mistakes. This is the call to action in a video on how to use Khan Academy to learn to write Java code. The speaker encourages learners to feel comfortable with the programming environment that is provided on...

A blow dryer and ping pong balls are all you need to demonstrate the amazing properties of air flow. In this demonstration, Spangler has a little boy as his assistant. Together, they make ping pong balls, a beach ball, and a roll of...

Do science videos really enhance learning? Pupils examine the facts in a video about videos. The narrator shows how science scholars perform on a quiz after watching a related video, then how they perform on the same quiz after watching...

Start with a basic house created in JavaScript code and practice programming with loops as you add rows of windows, grass, flowers, or trees. How about some apples growing in the trees? You get the idea. Your coding students can let...

Watch as Khan Academy completes a calculus proof of the famous Centripetal Acceleration Formula. This video proves that a = v^2/r. [14:21]

This resource from Khan Academy provides information about strokes.