A brief history of plastic

TEDEd
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TEDEd
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Classroom Material Lesson
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Science Scientific Investigation and Application STEAM
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Classroom Teacher / Educator Site Pupil Services / Support Site Administrator Educational Partner Librarian / Media Specialist Parent Representative District Education Staff County Education Staff State / Regional Education National Education Staff
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A brief history of plastic

TED-Ed Lesson: For centuries, billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decline, they began to look for alternatives. John Wesley Hyatt took up the challenge. In five years, he invented a new material called celluloid, which wou…
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