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<!doctype html> <html lang="en-US"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="keywords" content="liquid nitrogen, phase change, liquid, boil, pressure, expand, expansion, gas law,science videos, videos, video clips, science demonstrations, experiments, science experiments, frostbite theater, jlab, jefferson lab"> <meta name="description" content="Liquid nitrogen is trapped inside a film canister!"> <meta name="robots" content="index,all"> <link rel="stylesheet" href="/css/main_2020.css"> <link rel="stylesheet" href="/css/font-awesome.min.css">  <link rel="stylesheet" href="/css/video_2020.css"><link rel="stylesheet" href="/css/frost_2020.css"> <script>  </script> <script async src="https://www.googletagmanager.com/gtag/js?id=G-3SJLGKR77H"></script><script>window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-3SJLGKR77H');</script>    <title>Frostbite Theater - Popping Film Canisters!</title> </head> <body>  <div class="topnav" id="myTopnav"> <a href="/index.html" title="JLab Science Education Home"><img src="/g/scied_logo_sm.png" width="149" height="80" alt="Science Education Home"></a> <a href="/index.html" title="JLab Science Education Home">Home</a> <a href="/indexpages/teachers.html" title="Teacher Tools">Teachers</a> <a href="/indexpages/" title="Student Zone">Students</a> <a href="/indexpages/elementgames.html" title="Games and Puzzles">Games</a> <a href="/indexpages/science_videos.html" title="Science Videos">Videos</a> <a href="/solquiz/" title="Virginia Standards of Learning Practice Tests">VA SOL</a> <a href="/indexpages/program.html" title="Programs and Events">Programs</a> <div class="search-container"> <form action="/search/"> <input type="text" placeholder="Search..." name="q"> <button type="submit"><i class="fa fa-search"></i></button> </form> </div> <a href="javascript:void(0);" class="icon" title="Menu" onclick="navToggle();"> <i class="fa fa-bars"></i> </a> </div>   <main> <div class="content"> <h1 class="page-header">Frostbite Theater</h1>   <div class="row general-section-nav desktop-size"> <div class="col-4 left-general-nav-block"> <p> <a href="stopper.html"><img src="/g/larr.gif" width="33" height="13" alt="Exploding Rubber Stopper!">Previous Video</a> </p> <p class="nav-name"> <a href="stopper.html">(Exploding Rubber Stopper!)</a> </p> </div> <div class="col-4"> <p> <a href="index.html">Frostbite Theater Main Index</a> </p> </div> <div class="col-4 right-general-nav-block"> <p> <a href="insulators.html">Next Video<img src="/g/rarr.gif" width="33" height="13" alt="Insulators!"></a> </p> <p class="nav-name"> <a href="insulators.html">(Insulators!)</a> </p> </div> </div>  <div class="row general-section-nav frost-medium"> <div class="col-4 left-general-nav-block"> <p> <a href="stopper.html"><img src="/g/larr.gif" width="33" height="13" alt="Exploding Rubber Stopper!">Previous Video</a> </p> <p class="nav-name"> <a href="stopper.html">(Exploding Rubber Stopper!)</a> </p> </div> <div class="col-4"> <p> <a href="index.html">Frostbite Theater Main Index</a> </p> </div> <div class="col-4 right-general-nav-block"> <p> <a href="insulators.html">Next Video<img src="/g/rarr.gif" width="33" height="13" alt="Insulators!"></a> </p> <p class="nav-name"> <a href="insulators.html">(Insulators!)</a> </p> </div> </div>  <div class="row general-section-nav smallest-size"> <div> <p> <a href="stopper.html"><img src="/g/larr.gif" width="33" height="13" alt="Exploding Rubber Stopper!"></a> <a href="index.html">Main Index</a> <a href="insulators.html"><img src="/g/rarr.gif" width="33" height="13" alt="Insulators!"></a> </p> </div> </div>  <p class="frost-video-title">Popping Film Canisters!</p> <p>What happens when liquid nitrogen is trapped inside a sealed container? Play the video to find out!</p> <div class="video"> <div class="video-responsive"> <iframe src="https://www.youtube.com/embed/1DxLwZhTj0A?rel=0" allowfullscreen></iframe> </div> </div> <div id="transcriptlink">[ <a href="javascript:void(toggle_transcript());">Show Transcript</a> ]</div> <div id="transcripttext"><p><span class="speaker">Announcer:</span> Frostbite Theater presents... Cold Cuts! No baloney!</p><p><span class="speaker">Joanna and Steve:</span> Just science!</p><p><span class="speaker">Joanna:</span> Hi! I'm Joanna!</p><p><span class="speaker">Steve:</span> And I'm Steve!</p><p><span class="speaker">Joanna:</span> And this is a container of liquid nitrogen!</p><p><span class="speaker">Steve:</span> And these are a bunch of film canisters!</p><p><span class="speaker">Joanna:</span> Let's see what happens when we trap the liquid nitrogen in the film canisters!</p><p><span class="speaker">Steve:</span> Okay!</p><p class="noname">Now the room, and everything in it, is way too hot for the liquid nitrogen to stay as a liquid. As soon as the liquid nitrogen touches anything in the room, it boils and changes into a gas.</p><p><span class="speaker">Joanna:</span> When liquid nitrogen boils, it expands by about 700 times. Eventually, the pressure in the canister will go so high that the lids will pop off!</p><p><span class="speaker">Canisters:</span> Pop! Pop! Pop!</p><p><span class="speaker">Steve:</span> Also keep in mind that as soon as we put the lids in place, nothing new goes in. The stuff that's in there, though, is moving faster because it's getting hotter.</p><p><span class="speaker">Canisters:</span> Pop! Pop! Pop!</p><p><span class="speaker">Steve:</span> As the nitrogen boils and changes to a gas, more and more particles hit the lid faster and faster, until eventually the lids pop off.</p><p><span class="speaker">Canister:</span> Pop!</p><p><span class="speaker">Joanna:</span> Thanks for watching! I hope you'll join us again soon for another experiment!</p><p><span class="speaker">Steve:</span> This is kind of fun!</p><p><span class="speaker">Canisters:</span> Pop! 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