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.
