Khan Academy
Khan Academy: Bit Zee Bot: 13. Why Does Bit Zee Need a Motor Controller?
This video outlines in simple terms why a motor controller is needed and what it does. [5:29]
Khan Academy
Khan Academy: Bit Zee Bot: 1. Bit Zee
Bit-zee is a project designed to inspire students to explore math and science. It was created from everyday items (a hair dryer, tap light, alarm clock, digital camera, and a universal remote). See the following link for help with the...
Khan Academy
Khan Academy: Thermodynamics: Thermo Can
This project demonstrates how to power a juice-can boat with a lighted candle. The candle heats the air, causing it to expand and push against the 'thermal sail' of the can, and move across the surface of the water. [3:53]
PBS
Pbs Learning Media: Kid Inventor: Tennis Ball Picker Upper
Tired of bending down to pick up those runaway tennis balls? Inventor Leang can help you out with his handy invention in this video segment from ZOOM. [2:41]