| 翻訳と辞書 |
| screaming jelly babies ： ウィキペディア英語版 |
screaming jelly babies
"Screaming jelly babies"〔〔 (en-UK), also known as "Growling gummy bears" (en-US/en-CA), is a classroom chemistry demonstration, variants of which are practised in schools around the world. It is often used at open evenings to demonstrate the more light-hearted side of secondary school science.
The experiment shows the amount of energy there is in a piece of candy; jelly babies〔 or gummy bears〔(Lubbock Christian University: Can a Gummy Bear Scream? )〕 are often used for theatrics. Potassium chlorate, a strong oxidising agent, rapidly oxidises the sugar in the candy, causing it to burst into flames, producing a "screaming" sound as rapidly expanding gases are emitted from the test tube. The aroma of candy floss (cotton candy) is also given off.
Other carbohydrate or hydrocarbon containing substances can also be dropped into test tubes of molten chlorate, with similar results.
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「screaming jelly babies」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|