2B Statics of Fluids

Archimedes Principle

Catalog: 
2B40.20A
Location: 
Af2
Not complete as yet

Floating & Density

The white beads float to the top and the blue sink to the bottom
Catalog: 
2B40.71
Location: 
Af3
When a 1L bottle is shaken, the blue and white beads mix within the liquid. When allowed to settle, the the beads separate, white at the top and blue at the bottom. However, shortly the two separated colored beads slowly come together until they meet in the center of the liquid, white on top of blue.

Cartesian Diver - Erlenmeyer version

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

Helium balloon in glass jar - Video

demonstration image
Catalog: 
2B40.43
Location: 
3_1
Video Encyclopedia :A helium balloon floats in an inverted container but sinks when the container is filled with helium.

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.

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.

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.

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.

Different Density Woods - Video

demonstration image
Catalog: 
2B40.61C
Location: 
3_1
Video Encyclopedia :Float blocks of balsa, pine, and ironwood in water.

Buoyancy in various liquids - Video

demonstration image
Catalog: 
2B40.54
Location: 
3_1
Video Encyclopedia :Iron, bakelite, and wood are dropped into a column containing mercury, carbon tetrachloride, and water.

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