Properties of Matter
I3-12: WATER BAROMETER - CAN CRUSHER
Category: I3 Gases
Purpose:
Illustrate a result of atmospheric pressure.
I1-32: RUBBER BAND CONTRACTION DURING HEATING
Category: I1 Thermal Properties of Matter
Purpose:
Demonstrate that rubber contracts when heated.
H6-04: HELIUM VOICE
Category: H6 The Voice
Purpose:
Demonstrate the rise in frequency of vocal formants due to the increase in the speed of sound in a light gas.
G1-31: HOOKE'S LAW AND SHM
Category: G1 Simple Harmonic Motion
Purpose:
Quantitatively demonstrate how the spring constant affects the period of a mass on a spring.
F3-21: SURFACE TENSION - ALCOHOL AND WATER IN SAND
Category: F3 Surface Tension
Purpose:
Illustrate the difference between the surface tension in water and in alcohol.
F2-41: DENSITY - SLOPE OF MASS VS VOLUME GRAPH
Category: F2 Buoyancy
Purpose:
Determine the density of water.
F2-31: BUOYANT BALLS IN BEANS
Category: F2 Buoyancy
Purpose:
Illustrate buoyancy in a surprising way.
F2-26: BUOYANCY PARADOX - BALL IN TWO LIQUIDS
Category: F2 Buoyancy
Purpose:
Demonstrate buoyancy with a counterintuitive element.
F2-07: BUOYANCY - PEPSI AND DIET PEPSI
Category: F2 Buoyancy
Purpose:
Show the difference in density between soft drinks with and without sugar.
F1-11: HYDRAULIC PRESS
Category: F1 Pressure in Static Fluids
Purpose:
Demonstrate dramatically Pascal's Law and the large forces attainable using hydraulic systems.
B4-33: EGG CRUSHER
Category: B4 Elasticity
Purpose:
Show that an egg can support unexpectedly high forces due to its curved shape.
B4-31: FAILURE OF WOOD IN COMPRESSION
Category: B4 Elasticity
Purpose:
Demonstrate the dependence of the compressional strength of wooden dowels on their diameter and length.
B4-14: ELASTIC LIMIT OF WIRE
Category: B4 Elasticity
Purpose:
Demonstrate the variation in tensile strength with wire diameter.
B4-12: ELASTIC LIMIT OF SOLDER SPRING
Category: B4 Elasticity
Purpose:
Demonstrate the elastic limit for an inherently inelastic object.
B4-11: ELASTIC LIMIT OF RUBBER BAND
Category: B4 Elasticity
Purpose:
Demonstrate Hooke's law and elastic limit.
B4-02: HOOKE'S LAW - COMPRESSING A SPRING
Category: B4 Elasticity
Purpose:
Demonstrate Hooke's law for a spring under compression.
C7-26: BOUNCING PUTTY AND NON-BOUNCING SUPERBALL
Category: C7 Collisions
Purpose:
Show unusual collisions.
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F2-01 ARCHIMEDES' PRINCIPLE
Demonstrates the buoyant force on a body submerged in a fluid to be equal to the weight of the displaced… Read More
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F2-02: CARTESIAN DIVER
Demonstrate a variety of fluid mechanics phenomena, including the compressibility of a gas, the incompressibility of water, Boyle's law, Pascal's… Read More
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F2-03: CARTESIAN DIVER - EXPLICIT VERSION
Demonstrate explicitly how a Cartesian diver works by showing how the water enters the diver when the pressure in the… Read More
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F2-04: BUOYANCY - SPHERE AND WATER
Challenge the students' thinking about the buoyant force by considering the question: "Will a round object, without a flat top… Read More
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F2-05 BUOYANCY - BOAT AND ROCK
Illustrates buoyancy
Read More
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F2-06: BUOYANCY - SINKING BOAT
Illustrates buoyancy Read More
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F2-07: BUOYANCY - PEPSI AND DIET PEPSI
Show the difference in density between soft drinks with and without sugar. Read More
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F2-08: BUOYANCY - BATTLESHIP IN BATHTUB
Illustrate Archimedes' Law in a counterintuitive manner. Read More
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F2-10: BUOYANT BUBBLES
Demonstrate buoyancy and diffusion in an interesting way. Read More
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F2-11: HYDROMETER
Measure the density of a liquid. Read More
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F2-12: HOT AIR BALLOON
Show that hot air is less dense than cold air by operating a hot air balloon. Read More
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F2-13: BOUYANCY - EXPANDING BALLOON CONUNDRUM
Conundrum involving weight of an expanding balloon. Read More
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F2-21 REACTION TO BUOYANT FORCE
Demonstrates the reaction force using a liquid. Read More
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F2-22: BUOYANCY PARADOX - ACCELERATED FRAME
Illustrate dramatically the concept of buoyancy. Read More
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F2-23: BUOYANCY PARADOX - INVERTED BLOCK
Illustrate buoyancy in a paradoxical way. Read More
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F2-24: ACCELERATED BUOYANT BALL
Illustrate buoyancy in a paradoxical way. Read More
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F2-25: BALANCE PARADOX - BUOYANCY WITH CROSSOVER
Present buoyancy in a paradoxical way. Read More
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F2-26: BUOYANCY PARADOX - BALL IN TWO LIQUIDS
Demonstrate buoyancy with a counterintuitive element. Read More
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F2-27: Buoyancy Paradox - Two Spheres
Buoyancy of two spheres on a balance Read More
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F2-31: BUOYANT BALLS IN BEANS
Illustrate buoyancy in a surprising way. Read More
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F2-32: FLOATING SQUARE BAR
Illustrate buoyancy and the orientation in which a long square bar floats in a very dramatic way. Read More
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F2-41: DENSITY - SLOPE OF MASS VS VOLUME GRAPH
Determine the density of water. Read More
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