Engineering
K7-42: BARRICADE FLASHER
Category: K7 RLC Circuits
Purpose:
Demonstrate a barricade flasher circuit.
K2-47: SPEEDOMETER MODEL
Category: K2 Electromagnetic Induction
Purpose:
Demonstrate operating principle of some speedometers.
J7-31: VISIBLE HARD DRIVE
Category: J7 Magnetic Materials
Purpose:
See what the guts of a fixed magnetic drive look like.
F5-31: MAGNUS EFFECT - FLETTNER'S SHIP
Category: F5 Forces in Moving Fluids
Purpose:
Demonstrate the Magnus effect.
G1-54: MASS'S DOUBLE PENDULUM
Category: G1 Simple Harmonic Motion
Purpose:
Demonstrate the transition of potential energy into energy of oscillation of the pendulum, and the operation of an escapement.
F4-53: ARCHIMEDES' SCREW
Category: F4 Fluid in Motion
Purpose:
Demonstrate a pump mechanism invented by Archimedes.
F4-51: VACUUM PUMP MODEL
Category: F4 Fluid in Motion
Purpose:
Illustrate how a mechanical vacuum pump works.
F2-12: HOT AIR BALLOON
Category: F2 Buoyancy
Purpose:
Show that hot air is less dense than cold air by operating a hot air balloon.
F1-14: PISTON DIAMETER VS TRAVEL - WORKING MODEL
Category: F1 Pressure in Static Fluids
Purpose:
Show that with an incompressible fluid the bigger piston moves more slowly than the smaller piston.
F1-11: HYDRAULIC PRESS
Category: F1 Pressure in Static Fluids
Purpose:
Demonstrate dramatically Pascal's Law and the large forces attainable using hydraulic systems.
D4-21: SHIP STABILIZER
Category: D4 Gyroscopes
Purpose:
Demonstrate how a gyroscope can stabilize the rocking of a ship.
D2-12: TOPPLING CHIMNEY
Category: D2 Moment of Inertia
Purpose:
Demonstrate how a toppling chimney breaks up.
B4-14: ELASTIC LIMIT OF WIRE
Category: B4 Elasticity
Purpose:
Demonstrate the variation in tensile strength with wire diameter.
E2-42: TELESCOPE MODEL
Category: E2 Astronomy
Purpose:
Show how a telescope can view any point in the sky using a universal mount.
B1-16: CORBELED ARCH
Category: B1 Center of Mass Statics
Purpose:
Illustrate how the center of mass affects the stability of an arch
A2-32: HEIGHT MEASUREMENT BY TRIGONOMETRY
Category: A2 Mathematics
Purpose:
Determine the height of a student using trigonometry
A1-43: CROSSING RODS
Category: A1 Basic Materials and Measurement
Purpose:
Visualize three-dimensional figures
A1-42: DRAWING PUZZLE - HALF CUBE
Category: A1 Basic Materials and Measurement
Purpose:
Visualize three-dimensional figures
A1-41: DRAWING PUZZLE - INTERSECTING RODS
Category: A1 Basic Materials and Measurement
Purpose:
Visualize three-dimensional figures
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F4-01: VISCOSITY OF LIQUIDS
Compare the viscosities of water and mineral oil. Read More
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F4-02: VISCOSITY OF AIR
Demonstrate that air is viscous. Read More
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F4-04: SILLY PUTTY
Demonstrate a non-Newtonian fluid. Read More
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F4-05: PARACHUTE TOY
Demonstrate how a parachute quickly reaches its terminal velocity. Read More
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F4-11: LAMINAR AND TURBULENT FLOW OF AIR
Demonstrate laminar and turbulent flow. Read More
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F4-12: UNMIXING - GLYCERIN AND DYE
Illustrate laminar flow by "unmixing" two fluids
Read More
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F4-13: FLUID FLOW MODEL
For use as a model in developing equations for fluid flow. Read More
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F4-14: WIND TUNNEL
Show air flow around different objects. Read More
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F4-21: LIQUID IN SPINNING SPHERE
Show the behavior of a liquid when subjected to a centripetal force. Read More
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F4-22: SPINNING WATER BUCKET
Illustrate the reaction force on spinning water and the shape of the water surface. Read More
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F4-23: WATER PENDULUM
Show the surface of a container of water in a swinging pendulum. Read More
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F4-25: CYCLONE IN A BOTTLE
Illustrate vorticity in a perhaps tricky way. Read More
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F4-31: SIPHON
Illustrate how a siphon works. Read More
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F4-32: SIPHON - CHAIN MODEL
Illustrate how a siphon works. Read More
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F4-33: PYTHAGOREAN CUP
Demonstrate the siphon in a surprising way. Read More
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F4-34: SIPHON BALANCE
Demonstrate properties of the siphon using a counterintuitive example. Read More
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F4-41: DRUM AND CANDLE
Demonstrate the circular vortex. Read More
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F4-42: SMOKE RINGS USING GARBAGE CAN
Create large smoke rings and illustrate the circular vortex. Read More
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F4-51: VACUUM PUMP MODEL
Illustrate how a mechanical vacuum pump works. Read More
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F4-52: FORCE PUMP - MODEL
Demonstrate the operation of a force pump. Read More
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F4-53: ARCHIMEDES' SCREW
Demonstrate a pump mechanism invented by Archimedes. Read More
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F4-61: HERO'S FOUNTAIN
Illustrate fluid dynamics in a perhaps surprising way. Read More
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F4-63: MARIOTTE'S BOTTLE
Show the range of water jets from different heights along a water column. Read More
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