Electricity Investigations
2017年8月 · Lerner Publications ™
電子書
32
頁數
family_home
符合資格
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關於這本電子書
You probably know that electricity powers your computer and other electronics. But what is electricity? How does it work and where does it come from? Scientists have been asking questions about electricity for centuries. Does it come from frog muscles? Can magnets create electricity? How could people harness the energy from gas or wind to power devices far away? Scientists have asked all these questions and more, and they've conducted countless experiments to learn the answers. Find out what they discovered and how we use electricity to power homes and businesses.
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智能手機和平板電腦
手提電腦和電腦
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