One of the great technical challenges of all time was learning to make and power machinery that would ease the burden for farmers. For centuries, farmers worked the fields with horse or ox-drawn plows, hand tools for planting and reaping, or just their hands. Early tractors were powered by heavy and cumbersome steam engines – an improvement over animal and human power. The invention of the internal combustion engine marked the beginning of modernization of farms.
Lesson Synopsis: Students brainstorm an invention to solve a classroom problem, conduct a survey, and create an invention or innovation to solve a problem identified in the survey.
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