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Wave World What do a solar-powered car and a green plant have in common?

Jon Chase joins engineering students at Cambridge University hoping to win a race across Australia in their solar-powered car. Today they are testing the 110 km/h car on an airfield. They need as much power as possible, so the team uses solar cells normally used in space to power satellites. Jon discovers how the cells use light to make electricity. ...
  • 2015
  • 00:04:08
  • 13-14
  • Added on: 09/04/2019

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Scientists and Scientific Method The work of Galileo Galilei

This video recreates a famous experiment in which Galileo, an Italian scientist, dropped two objects from the Leaning tower of Pisa in 1589. He explains that he did the experiment to show the pull of gravity on an object is the same, regardless of their different weights. He explains that force is a push or pull on an object. He ...
  • 2018
  • 00:04:24
  • 9-12
  • Added on: 09/03/2019

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