Pumpkin_Demos - Pumpkin Demos Safety Goggles safety shield...

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Pumpkin Demos Safety – Goggles & safety shield. Lab coat recommended Materials: Large pumpkin, plastic film canister, calcium carbide, water & dropper, igniter (speaker wire, empty butane lighter, electrical tape, razor, wire cutters) To make the igniter: -Cut a 5 inch pieces of speaker wire - Use wire cutters to strip about an inch of the plastic off of one end, exposing the wires. -Cut the plastic in between the area where the exposed wires go into the plastic with a razor. -Pull the two plastic coated wires apart about an inch. At this point you should have about an inch of separated, exposed wire, an inch of separated plastic covered wire, and about three inches of wire as it comes off the spool (all in one piece) -Insert one of the exposed wires into the small hole on the end of a butane lighter. The wire will just barely fit into the hole. -Lay the other exposed wire on the metal on the outside of the end of the lighter. -Tape the wires in place. At this point, the igniter should work. Pull the trigger, and look for a small spark at the end of the wire. If you want to be fancy, you may shoot a bit of hot melt glue into the end of the lighter to
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