4 Thermodynamics

Amazing Ice Melting Blocks

An ice cube is placed on each block.
Catalog: 
4B20.230
Location: 
Bd4
Two blocks appear identical. To the touch one feels colder than the other yet both are at room temperature. An ice cube is placed on each and one melts much faster than the other.

IR Focusing

Move the alignment rod to the other optical bench and slide it as close to the m
Catalog: 
4B40.20
Location: 
Bd4
Light a match using a heater and a parabolic mirror.

Smashing Spheres

When the two spheres are smashed together with a piece of paper between them eno
Catalog: 
4B60.140
Location: 
Be1
Two metal spheres are smashed together with a piece of paper between them. It burns a hole which can be displayed by placing paper on overhead projector. Mechanical equivalent of work and heat.

Brownian Motion

The smoke filled tube is mounted on a microscope lens with an expansion tube whi
Catalog: 
4D10.10B
Location: 
Be2
A smoke filled glass tube is viewed with a microsopic camera.

Brownian Motion of India Ink Drops

India ink molecules show Brownian motion.
Catalog: 
4D10.10
Location: 
3_3
India ink drops show Brownian motion. This is the work of undergraduate students working for Dr. R. Doak.

Convection chimney (lamp)

Air heated by a lamp turns the carousel by convection. Room lights on.
Catalog: 
4B20.25
Location: 
Be3
Air heated by a light bulb, rises and turns the vanes atop the lamp.

Primitive Fire

After a coal is smoldering fold the lint over and blow gently. Make sure the smo
Catalog: 
4B60.50
Location: 
Be1
A fire is started with a bow drill.

Stirling engine - Video

demonstration image
Catalog: 
4F30.10C
Location: 
3_1
Video Encyclopedia :Show the standard Stirling engine, includes good animation.

Stirling Engine

A torch heats the end of the Stirling Engine. Turn the wheel in the directions o
Catalog: 
4F30.10A
Location: 
Be3
Heat engine.

Drinking Bird - Video

demonstration image
Catalog: 
4C31.30B
Location: 
3_1
Video Encyclopedia :Standard drinking bird. Includes animation.

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