|Product #: SED10576_TQ|
Physical Science: Thomas Alva Edison and the Pioneers of Electromagnetism (Re eBookGrade 4|Grade 5|Grade 6|Grade 7|Grade 8
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Thomas Edison's inventions changed the world. His most famous invention is the light bulb, but he also invented generators and the power grid. Edison holds 1,000 patents-the record for the most new inventions. He even started his own electric company.
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