金沙国际唯一指定官网

Gizmo

作者:盖漫鼗    发布时间:2019-03-02 10:08:01    

Forgotten your chemistry lessons? You can now brush up via video, thanks to the University of Nottingham in the UK, which has launched a website called the Periodic Table of Videos. Each of the 118 elements gets its own lively video clip detailing its properties and uses as well as some risky experiments – see hot, airborne sodium hitting a camcorder, for instance (www.periodicvideos.com). Kids can learn how to reduce their impact on the climate by playing an online game: Keep Winter Cool or the Snowman Gets It. Players perform energy-saving actions, like switching off lights and appliances,

 

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