Second Industrial Revolution facts for kids
The Second Industrial Revolution was a period when advances in steel production, electricity and petroleum caused a series of innovations that changed society. With the production of cost effective steel, railroads were expanded and more industrial machines were built. Women become a bigger part of the work industry, getting jobs as white collar workers including secretaries and clerks.
Images for kids
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A telegraph key used to transmit text messages in Morse code.
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The ocean liner SS Kaiser Wilhelm der Grosse, a steamboat. As the main means of trans-oceanic travel for more than a century, ocean liners were essential to the transport needs of national governments, commercial enterprises and the general public.
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A diagram of the Bessemer converter. Air blown through holes in the converter bottom creates a violent reaction in the molten pig iron that oxidizes the excess carbon, converting the pig iron to pure iron or steel, depending on the residual carbon.
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A rail rolling mill in Donetsk, 1887.
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Three-phase rotating magnetic field of an AC motor. The three poles are each connected to a separate wire. Each wire carries current 120 degrees apart in phase. Arrows show the resulting magnetic force vectors. Three phase current is used in commerce and industry.
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The BASF-chemical factories in Ludwigshafen, Germany, 1881
See also
In Spanish: Segunda Revolución Industrial para niños