Physics:Newton's Apple（36）
On this episode of Newton's Apple， we shall find answers to the questions: First， can these young engineers improve the Mars Rover? Second， Carlie Olsen from Texas asked， "What makes the wind blow?" To help us understand where the wind comes from， Ronando Castiyas， high school teacher from St. Paul Academy Minnesota comes here at our scene. And last， Bethony Lock asked， "I love chocolate， my whole family does. But where does it come from?"
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 10:54:05