2 Fluid Mechanics

Ball drop - Video

demonstration image
Catalog: 
2C30.55
Location: 
3_1
Video Encyclopedia :Several balls including Styrofoam balls of three diameters are dropped four meters. Use stop frame and take data.

Cartesian Diver - Erlenmeyer version

Catalog: 
2B40.30A
Location: 
Af2
Squeezing and releasing bulb makes diver rise or fall.

Buoyancy Ball

Catalog: 
2B40.59A
Location: 
Af3
A metal sphere barely floats in cold water and sinks in hot water.

Helium balloon in liquid nitrogen - Video

demonstration image
Catalog: 
2B40.44
Location: 
3_1
Video Encyclopedia :Cool a helium balloon to decrease its volume and it will no longer float.

Air friction - Video

demonstration image
Catalog: 
2C30.65
Location: 
3_1
Video Encyclopedia :Drop crumpled and flat sheets of paper.

Buoyancy of Air

Close the air valve and turn on the vacuum pump. The small ballon is to verify t
Catalog: 
2B40.40A
Location: 
Af3
Balanced sealed globe tips the scales towards it under bell jar during evacuation.

Water and Mercury u-tube - Video

demonstration image
Catalog: 
2B40.53
Location: 
3_1
Video Encyclopedia :Water and mercury rise to different heights in a J tube.

Tornado tube - Video

demonstration image
Catalog: 
2C50.30B
Location: 
3_1
Video Encyclopedia :Couple two soft drink bottles with the commercial tornado tube coupler and spin the top bottle so the water forms a vortex as it drains into the bottom bottle.

Weight of Air using the Magdeburg Sphere

Weigh the Magdeburg Sphere before and after using the vacuum pump.
Catalog: 
2B40.45C
Location: 
Ae5
The Magdeburg Sphere is weighed before and after having the air pumped out. The sphere holds about .8 g of air. Depending on how long the vacuum pump runs .6 g or more of air can be removed.

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