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	<id>https://sciencetheatre.kaedon.net/mediawiki/index.php?action=history&amp;feed=atom&amp;title=Egg_In_A_Bottle</id>
	<title>Egg In A Bottle - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://sciencetheatre.kaedon.net/mediawiki/index.php?action=history&amp;feed=atom&amp;title=Egg_In_A_Bottle"/>
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	<updated>2026-06-15T02:56:57Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://sciencetheatre.kaedon.net/mediawiki/index.php?title=Egg_In_A_Bottle&amp;diff=111&amp;oldid=prev</id>
		<title>imported&gt;Stwikiadmin: Created page with &quot;== Age ==  Elementary School, Middle School, High School  == Format ==  Stage Show, Hands-on  == Materials ==      Hard-boiled Egg     Bottle     Newspaper     Blowtorch or Light...&quot;</title>
		<link rel="alternate" type="text/html" href="https://sciencetheatre.kaedon.net/mediawiki/index.php?title=Egg_In_A_Bottle&amp;diff=111&amp;oldid=prev"/>
		<updated>2013-09-11T23:53:50Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;== Age ==  Elementary School, Middle School, High School  == Format ==  Stage Show, Hands-on  == Materials ==      Hard-boiled Egg     Bottle     Newspaper     Blowtorch or Light...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Age ==&lt;br /&gt;
&lt;br /&gt;
Elementary School, Middle School, High School&lt;br /&gt;
&lt;br /&gt;
== Format ==&lt;br /&gt;
&lt;br /&gt;
Stage Show, Hands-on&lt;br /&gt;
&lt;br /&gt;
== Materials ==&lt;br /&gt;
&lt;br /&gt;
    Hard-boiled Egg&lt;br /&gt;
    Bottle&lt;br /&gt;
    Newspaper&lt;br /&gt;
    Blowtorch or Lighter &lt;br /&gt;
&lt;br /&gt;
== Safety Precautions ==&lt;br /&gt;
&lt;br /&gt;
Science Theatre demonstrators must keep the safety of themselves and their audience in mind at all times. All Science Theatre demonstrators must have read through the Safety Training page. The ST Safety Box with first aid kit, fire extinguisher, etc. should always be available to demonstrators. Always wear safety gloves, glasses, and a labcoat if handling chemicals; always perform potentially dangerous demonstrations at a safe distance from the audience; and always keep a very close eye on any volunteers you call from the audience.&lt;br /&gt;
&lt;br /&gt;
== Preparation ==&lt;br /&gt;
&lt;br /&gt;
Boil and peel the egg(s).&lt;br /&gt;
&lt;br /&gt;
== Demonstration ==&lt;br /&gt;
&lt;br /&gt;
== What to Say ==&lt;br /&gt;
&lt;br /&gt;
== Why It Is ==&lt;br /&gt;
&lt;br /&gt;
When the burning paper is dropped into the bottle, combustion with the oxygen in the bottle occurs until the reaction consumes either the oxygen or the paper. The heat produced by the reaction increases the air pressure inside the bottle, causing the egg to &amp;quot;jump&amp;quot; and allow air to escape. When the air cools, the egg settles into the mouth of the bottle. There is now more air outside the bottle than inside, so the higher pressure on the outside pushes the egg into the bottle.&lt;br /&gt;
&lt;br /&gt;
== Real Life Examples ==&lt;/div&gt;</summary>
		<author><name>imported&gt;Stwikiadmin</name></author>
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