Surface tension is the property of water that creates a thin 'skin' on the surface, allowing objects to float when placed gently; however, when dropped, this skin breaks and the object sinks, demonstrating that the same object can have different outcomes based on how it is introduced to the water surface.
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Surface tension- Why Does This Blade Sink… Then Float?! - science experimentAdded:
[music] >> Same blade, same water, but two different results. Watch this. I drop the blade into the water. It [music] sinks immediately. But what if I try this differently? I gently place the blade on the surface. Wait, now [music] it's floating. The blade isn't lighter.
Nothing changed. So what's happening?
This is called surface [music] tension.
When placed gently, water forms a thin skin that holds the blade. But when dropped, [music] that skin breaks and the blade sinks. Same object, different method, different result. Follow for more amazing science tricks.
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