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Bacteria Farm
881
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17 years ago
Steve Spangler – How to be an Amazing Teacher
735
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17 years ago
Steve Spangler’s Geyser Tube for the Mentos Reaction
638
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17 years ago
Fun Science Experiments to do for Ellen DeGeneres Show?
623
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17 years ago
Mentos Geyser on Stage
657
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17 years ago
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