4B Heat and the First Law

Turbine Rotator

Turbine Rotator

Catalog: 
4B20.381
Location: 
Bd4
A small turbine rotator turns when placed above a heat source.

Amazing Ice Melting Blocks

An ice cube is placed on each block.

Amazing Ice Melting Blocks

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

IR Focusing

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

Smashing Spheres

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.

Convection chimney (lamp)

Air heated by a lamp turns the carousel by convection. Room lights on.

Convection chimney (lamp)

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

Primitive Fire

Catalog: 
4B60.50
Location: 
Be1
A fire is started with a bow drill.