来自MSN1 个月
DIY Sci: Make Your Own LightbulbSteve Spangler has experiments you can do at home, all based on the science of electricity. This is an excerpt from DIY Sci S2 Ep 6 – Electricity Experiments <a ...
DIY Science Time investigates the world through experiments, demonstrations and activities. Viewers are invited to join along with host Mister C and his science crew to complete fun DIY science ...
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