Boiling water in paper cup; cup does not burn.

4B50.20 • C+15+1

diagram for demo

Boiling water in paper cup; cup does not burn. The paper cup is filled 2/3 full with water, above the point where the metal ring holder touches the cup. The cup fits tightly in the ring holder. When a flame is applied to the bottom of the cup, the cup Bunsen Burner Cup is 2/3 filled with water does not burn. The cup burns above the water line. CONDUCTION.

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