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Unit 12: Alternative Energy Page 5 of 31

Wind Turbine  JB Weld Epoxy
 A digital Multi-meter  Red High-Temp RTV Silicon
 Alligator clip leads (RS#278- Gasket Maker
1156)  2" or longer straight pin (e.g.
 1.5-3V DC Motor (RS #273- yarn darner)
223)  3/4" to 1/2" PVC elbow
 9-18VDC Motor (RS #273- (outer diameters are 1-1/4"
256) and 1" respectively)
 Bi-polar LED (RS #276-012)  Small balloon
 Foam block (about 6” long)  Flat washer and nut
 Propeller from old toy or  Metal coat hanger
cheap fan  Old CD
 Wire nut to connect coat
Fruit Batteries hanger to CD (optional)
 Apple, lemon, grapefruit,  Wooden base and wood
lime, potato, or other screws (optional)
fruit/vegetable  Tools: tin snips or stainless
 Digital multi-meter steel scissors, pliers, can
 Alligator wires (RS #278- opener, hammer
1156)
 Zinc plate, galvanized nail Crystal Radio
 Copper plate (1/2” x 2”) or
shiny copper penny (you can  Toilet paper tube
scrub a tarnished penny with  Magnet wire (Radio Shack
ketchup to shine it up) part #278-1345)
 Germanium diode (1N34A)
Steamboats (Radio Shack part #276-
 Copper tubing (1/8”-1/4” dia 1123)
x 12” long)  Alligator clip test leads
 Votive candle (Radio Shack part #278-
 Foam block 1157)
 Scissors or razor (with adult  100’ stranded insulated wire
help) (for the antenna)
 Bathtub  Scrap of cardboard

For Grades 9-12:  Brass fasteners (3-4)
 Telephone handset or get a
Stirling Engine crystal earphone from C.
Crane (part #EKI) – they
 Three diet shake tin cans also carry the germanium
(Slim Fast, Adkins, etc.) diode if Radio Shack doesn't
 Three soft drink aluminum have it.
cans (one of which is a taller
12 oz beer can if available)

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