The Discovery of the Atomic Nucleus

Your host, Dr. Brian Cox, calls Ernest Rutherford the first proper particle physicist. He uses tennis balls to demonstrate what happened when Rutherford's students fired particles at a sheet of gold. Rutherford was able to deduce that most of an atom is actually made up of empty space. The clip concludes with actual footage of Rutherford making a statement about his discoveries.

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9th - 12th
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Flipped Classroom
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Fine Print: Educational Use