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Unit 11: Magnetism Page 4

Oil – vegetable or baby oil (only a
few teaspoons)
AND YOU'LL ALSO NEED:
Popsicle stick and disposable cup

Grades 9-12:
Small paper clips

Empty soup can or 2 large paper Buzzer/Shocker
clips
DPDT Relay (RS #275-206)
6 large paper clips
Curie Engine:
4 brass fasteners
Two tiny bead magnets (R211
12VDC motor (RS #276-256)
and/or R311 from KJ Magnetics)
Wooden ruler with groove down
One ceramic magnet
the center
Thin wire (28-32g)
8 strong rubber bands
Votive candle and lighter (keep out
9 nickel-plated ball bearings
of reach)
(NSBA)

Four ½” gold plated cubes (B888)

Screw (at least 1½” long) Rail Accelerator:

5 disc magnets (DC2 from KJ 9V battery clip (RS #270-325) &
Magnetics) 9V battery

Aluminum sheet (like a cookie Aluminum foil (3’ length)
sheet)
Posterboard
Reed switch (RS #275-232)
1 wire coat-hanger (not insulated)
Two large grapes
Two disc magnets (D21 from KJ
Straw Magnetics)

String (3’) Two gold-plated disc magnets

Sticky tape (Scotch Magic tape (D41G from KJ Magnetics)
works well) Vice grips or cutters (to cut a wire

Ferrofluid coat hanger)
Old laser printer cartridge (get
these for free from a place
that recycles them, like an
office supply store)

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