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Sponge
Sponge-Best-Of.mp3
Sponge-Best-Of.mp4
Sponge.mp3
Sponge.mp4
Sponge-intro.mp3
[Intro]
Sponge
(Plunge)
And soak it up
[Verse 1]
Time to confess
(What a mess)
Broom and bucket
(Say “funk it”)
[Bridge]
Sponge
(Plunge)
And soak it up
[Chorus]
Capillary action
(Offer satisfaction)
And did I mention…
(Surface tension)
[Verse 2]
Suck up and soak
(It’s no joke)
Add adhesion
(And cohesion)
[Bridge]
[Chorus]
[Bridge]
How about retention?
Sponge
(Plunge)
Mop the mess
(So there’s less)
[Outro]
Capillary action
(Offer satisfaction)
And did I mention…
(Surface tension)
We’ll work this spill
(Until….)
It’s dry
(We try)
ABOUT THE SCIENCE
The pores of a sponge work through a combination of capillary action, surface tension, and the fundamental structure of the sponge material, which collectively allow the sponge to absorb and retain liquid.
1. Capillary Action
Capillary action is the primary mechanism that pulls water into the sponge’s pores.
* Adhesion: Water molecules are attracted to the solid material of the sponge (adhesion).
* Cohesion: Water molecules are also attracted to each other (cohesion).
The narrow, interconnected channels (pores) within the sponge provide a large surface area for this adhesion to occur. The adhesive forces between the water and the sponge walls are stronger than the cohesive forces within the water itself. This imbalance causes the water to climb up into the tiny pores, seemingly defying gravity.
2. Surface Tension
Surface tension plays a role in keeping the water inside the sponge once it has been absorbed. The water forms menisci (curved surfaces) across the openings of the tiny pores. The surface tension of these water surfaces creates an inward pressure that helps hold the water within the sponge’s structure, preventing it from simply flowing out immediately.
3. Elasticity and Squeezing
The sponge’s matrix is a flexible, elastic material.
* Absorption: When a dry sponge is dipped in water, the existing air pressure is replaced by water drawn in by capillary action, filling the voids.
* Retention: The combination of capillary action and surface tension holds the water inside the material’s elastic structure.
* Release: To get the water out, you must apply mechanical force (squeezing) to physically compress the sponge material. This pressure overcomes the forces of adhesion and surface tension, forcing the water out of the pores. When you release the pressure, the sponge springs back to its original shape, drawing air back into the pores, making it ready to absorb liquid again.
In summary, the pores act as a network of tiny capillaries that use basic physics principles to draw in, hold, and release liquid upon demand.
From the album “Porous“
View all episodes
By Sponge-Best-Of.mp3
Sponge-Best-Of.mp4
Sponge.mp3
Sponge.mp4
Sponge-intro.mp3
[Intro]
Sponge
(Plunge)
And soak it up
[Verse 1]
Time to confess
(What a mess)
Broom and bucket
(Say “funk it”)
[Bridge]
Sponge
(Plunge)
And soak it up
[Chorus]
Capillary action
(Offer satisfaction)
And did I mention…
(Surface tension)
[Verse 2]
Suck up and soak
(It’s no joke)
Add adhesion
(And cohesion)
[Bridge]
[Chorus]
[Bridge]
How about retention?
Sponge
(Plunge)
Mop the mess
(So there’s less)
[Outro]
Capillary action
(Offer satisfaction)
And did I mention…
(Surface tension)
We’ll work this spill
(Until….)
It’s dry
(We try)
ABOUT THE SCIENCE
The pores of a sponge work through a combination of capillary action, surface tension, and the fundamental structure of the sponge material, which collectively allow the sponge to absorb and retain liquid.
1. Capillary Action
Capillary action is the primary mechanism that pulls water into the sponge’s pores.
* Adhesion: Water molecules are attracted to the solid material of the sponge (adhesion).
* Cohesion: Water molecules are also attracted to each other (cohesion).
The narrow, interconnected channels (pores) within the sponge provide a large surface area for this adhesion to occur. The adhesive forces between the water and the sponge walls are stronger than the cohesive forces within the water itself. This imbalance causes the water to climb up into the tiny pores, seemingly defying gravity.
2. Surface Tension
Surface tension plays a role in keeping the water inside the sponge once it has been absorbed. The water forms menisci (curved surfaces) across the openings of the tiny pores. The surface tension of these water surfaces creates an inward pressure that helps hold the water within the sponge’s structure, preventing it from simply flowing out immediately.
3. Elasticity and Squeezing
The sponge’s matrix is a flexible, elastic material.
* Absorption: When a dry sponge is dipped in water, the existing air pressure is replaced by water drawn in by capillary action, filling the voids.
* Retention: The combination of capillary action and surface tension holds the water inside the material’s elastic structure.
* Release: To get the water out, you must apply mechanical force (squeezing) to physically compress the sponge material. This pressure overcomes the forces of adhesion and surface tension, forcing the water out of the pores. When you release the pressure, the sponge springs back to its original shape, drawing air back into the pores, making it ready to absorb liquid again.
In summary, the pores act as a network of tiny capillaries that use basic physics principles to draw in, hold, and release liquid upon demand.
From the album “Porous“