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buzzer Test the Buzzer and Battery
battery 1 Touch the buzzer’s black wire to
the battery’s black wire.
2 While keeping the black wires
together, touch the red wires
together. When the wires connect,
the buzzer should sound.
3 Once you’ve tested the buzzer,
you can stop holding the
wires together.
HINT
An extra set of hands
might be helpful. Either
grow more hands or
hold the wires.
8 have your adult help 9