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Lesson 55 - Why does the liquid in a straw stay up when you cover the top?
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I Slept Through Science द्वारा प्रदान की गई सामग्री. एपिसोड, ग्राफिक्स और पॉडकास्ट विवरण सहित सभी पॉडकास्ट सामग्री I Slept Through Science या उनके पॉडकास्ट प्लेटफ़ॉर्म पार्टनर द्वारा सीधे अपलोड और प्रदान की जाती है। यदि आपको लगता है कि कोई आपकी अनुमति के बिना आपके कॉपीराइट किए गए कार्य का उपयोग कर रहा है, तो आप यहां बताई गई प्रक्रिया का पालन कर सकते हैं https://hi.player.fm/legal।
This week's question is about drinking straws. Have you ever put your straw in a drink, held your thumb on the top of the straw, and pulled it out of the drink? What keeps the liquid inside the straw? Why doesn't it fall out? Does this mean the liquid is defying gravity? Join us for this week's lesson to find out. It's never too late to learn about the world around you.
This is a listener question.
Resources from this episode:
If I seal a straw with my finger, the liquid stays inside. Why?
Pressures and forces on water contained in a straw when your finger seals the top
UCSB Science Line
World's Longest Straw
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Swing 39 by Latché Swing
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