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K5-14: ELECTRIC CELL

Purpose: Demonstrate how an electric cell is formed.

I3-13: INVERTED GLASS OF WATER

Category: I3 Gases

Purpose: Show one result of atmospheric pressure.

K5-02: PIEZOELECTRIC CRYSTAL - AUDIBLE

Purpose: Demonstrate that a piezoelectric crystal converts electrical impulses into physical vibrations.

K4-25: DC MOTOR - HOMEMADE

Purpose: Illustrate possibly the world's simplest motor.

K4-24: AC/DC MOTOR

Purpose: Demonstrate the construction and the operation of AC and DC motors.

M9-03: CIRCULAR POLARIZATION - STICK MODEL

Purpose: Model of circularly polarized electromagnetic wave.

K4-08: MAGNETOELECTRIC GENERATOR WITH INDUCTOR

Purpose: Demonstrate how a magnetoelectric generator stores energy in an inductor and how that energy is returned to the generator.

K4-06: MAGNETOELECTRIC GENERATOR WITH CAPACITOR

Purpose: Demonstrate that the generator is producing electrical energy, and that the capacitor stores electrical energy; also that a generator can run in reverse as a motor.

K3-02: DEMOUNTABLE TRANSFORMER - SINGLE SPARKS

Category: K3 Transformers

Purpose: Demonstrate induction of large voltages by a large secondary-to-primary turn ratio.

K3-01: INDUCTION IN A TRANSFORMER

Category: K3 Transformers

Purpose: Demonstrate that a change in the primary current induces a secondary voltage.

I2-45: CONVECTION - HIGH/LOW CANDLES IN CYLINDER

Purpose: Brainteaser regarding convection.

I2-44: CONVECTION - CANDLE IN CYLINDER

Purpose: Demonstrate the mechanism of convection.

M7-17: REFLECTION OF LIGHT FROM DIELECTRIC AND CONDUCTOR

Purpose: Demonstrate how light is polarized when it reflects from dielectric surfaces, and remains unpolarized after reflecting from conducting surfaces.

I1-61: DUST EXPLOSION

Purpose: Produce a dust explosion.

I1-41: THERMOELECTRIC MAGNET

Purpose: Demonstrate production and use of thermoelectric current.

I1-22: WATER DENSITY VS TEMPERATURE

Purpose: Demonstrate the change in the density of water with temperature.

I1-17: THERMOSTAT - MODEL

Purpose: Model of use of a bimetal strip in a thermostat.

I1-15: THERMAL EXPANSION - PIN BREAKER

Purpose: Demonstrate thermal expansion in a dramatic way.

I1-14: THERMAL EXPANSION OF ALUMINUM - OPTICAL LEVER

Purpose: Demonstrate thermal expansion in a complicated way.

K2-48: EDDY CURRENT MOTOR`

Purpose: Show the use of eddy currents in producing a motor with few moving parts and no electrical brushes.
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