When you connect the clip to the iron wire, the voltage of the battery pushes electrons through the circuit against the resistance of the iron wire, causing the iron wire to heat up.
(you; connect; the clip) (the voltage of the battery; pushes; electrons; through the circuit against the resistance of the iron wire; T:When you connect the clip to the iron wire) Context(the voltage of the battery pushes,List([44, 77))):(the voltage of the battery; pushes electrons causing; the iron wire to heat up) Context(the voltage of the battery pushes causing,List([44, 156))):(the iron wire; to heat up; )
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you the voltage of the battery the voltage of the battery the iron wire
connect pushes pushes electrons causing to heat up
the clip
electrons through the circuit against the resistance of the iron wire T:When you connect the clip to the iron wire
the iron wire to heat up