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Properties of Matter


I3-42: BOYLED MARSHMALLOWS

Category: I3 Gases

Purpose: Amusing demonstration of Boyle's Law.

I3-12: WATER BAROMETER - CAN CRUSHER

Category: I3 Gases

Purpose: Illustrate a result of atmospheric pressure.

I1-32: RUBBER BAND CONTRACTION DURING HEATING

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

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

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.

B4-13: ELASTIC LIMIT OF A BALLOON

Category: B4 Elasticity

Purpose: Burst a balloon.

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.

C7-24: SILLY PUTTY

Category: C7 Collisions

Purpose: Show collisions with an unusual material.
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