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你可曾想过蔬菜可以变成电池?电池让电子在两个金属板之间来回传输,从而产生电能。 [1] X 研究来源 如果你身边没有电池,只有土豆,要怎么办呢?没关系,土豆含有磷酸,后者可以作为必要的化学溶液,让电子在金属板之间来回传输。 [2] X 研究来源 只要有了金属物体和土豆,你就能利用几种居家用品做出电池来。让我们开始吧!
步骤
小提示
- 你还可以用其他蔬菜水果做这个实验,比如柠檬。
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警告
- 小孩子做这个实验时,一定要有人监督。使用不当时,锋利的钉子和电线可能会使人受伤。
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你需要准备
- 两根镀锌铁钉
- 两个铜币或两根电线
- 两个土豆
- 三根带有接线夹的导线
- 可以正常计时的时钟
参考
- ↑ http://americanhistory.si.edu/fuelcells/basics.htm
- ↑ http://www.doitpoms.ac.uk/tlplib/batteries/potato_battery.php
- ↑ http://www.wisegeek.org/what-are-galvanized-nails.htm
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml#help
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml#procedure
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml#procedure
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml#procedure
- ↑ http://www.wisegeek.org/what-are-galvanized-nails.htm
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml#help
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml#procedure
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml#procedure
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml# procedure
- ↑ http://www.sciencebuddies.org/science-fair-projects/project_ideas/Energy_p010.shtml# procedure
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