http://chemistry.about.com/ Get the latest headlines from the About.com http://clk.about.com/?zi=1/1hh http://www.about.com/ 118 20 en-us 2013-05-22T07:38:44Z Wed, 22 May 2013 07:38:44 +0000 hourly 1 2000-01-01T12:00+00:00 http://chemistry.about.com/b/2013/05/22/how-tracing-paper-is-made.htm <img src="http://0.tqn.com/d/chemistry/1/0/m/p/1/tracing-paper.jpg" hspace="5" border="0" align="right" alt="Tracing paper. (Newone)" width="150" height="212">Tracing paper is translucent paper that you place over printed material or a drawing so you can trace over it. Would it surprise you to learn that tracing paper is ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/22/how-tracing-paper-is-made.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/22/how-tracing-paper-is-made.htm Wed, 22 May 2013 09:55:59 +0000 2013-05-22T09:55:59Z http://chemistry.about.com/b/2013/05/22/make-plastic-sulfur.htm <img src="http://0.tqn.com/d/chemistry/1/G/5/R/sulfur.jpg" width="160" height="192" hspace="5" border="0" align="right">Did you know that you can make a polymer from an element? It's really easy to turn ordinary yellow sulfur into plastic sulfur! As an added bonus, you'll get to ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/22/make-plastic-sulfur.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/22/make-plastic-sulfur.htm Wed, 22 May 2013 07:38:44 +0000 2013-05-22T07:38:44Z http://chemistry.about.com/b/2013/05/21/this-day-in-science-history-may-22-apollo-10.htm On May 22, 1969, NASA's Apollo 10 mission conducted the lunar module separation test and orbited the moon as a dress rehearsal for the Apollo 11 moon landing in July. ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/21/this-day-in-science-history-may-22-apollo-10.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/21/this-day-in-science-history-may-22-apollo-10.htm Tue, 21 May 2013 22:05:50 +0000 2013-05-21T22:05:50Z http://chemistry.about.com/b/2013/05/21/color-change-demo-for-kids.htm <img src="http://0.tqn.com/d/chemistry/1/0/y/u/cabbagephindicator.jpg" hspace="5" border="0" align="right" alt="Color change demo. (Anne Helmenstine)" width="150" height="250">Color change chem demos are interesting and popular, but many of them require hard-to-find chemicals. Yet, all you need ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/21/color-change-demo-for-kids.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/21/color-change-demo-for-kids.htm Tue, 21 May 2013 10:06:57 +0000 2013-05-21T10:06:57Z http://chemistry.about.com/b/2013/05/21/pharoahs-snake-firework-or-chemistry-demonstration.htm <img src="http://0.tqn.com/d/chemistry/1/0/H/K/1/pharoahssnake.jpg" width="275" height="205" alt="Pharaoh's Snakes Firework (Tomasz Szymborski)" hspace="5" border="0" align="right">Pharaoh's snakes or pharaoh's serpents are a type of small firework in which a lighted tablet exudes smoke and ash in a growing column which resembles a snake. The modern ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/21/pharoahs-snake-firework-or-chemistry-demonstration.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/21/pharoahs-snake-firework-or-chemistry-demonstration.htm Tue, 21 May 2013 06:57:59 +0000 2013-05-21T06:57:59Z http://chemistry.about.com/b/2013/05/20/this-day-in-science-history-may-21-ekg-and-eeg.htm May 21^st was the birthday of two men who invented two electric diagnostic devices that are often confused with each other. The EEG, or electroencephalogram device, was invented by German ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/20/this-day-in-science-history-may-21-ekg-and-eeg.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/20/this-day-in-science-history-may-21-ekg-and-eeg.htm Mon, 20 May 2013 22:05:29 +0000 2013-05-20T22:05:29Z http://chemistry.about.com/b/2013/05/20/dancing-charcoal-chemistry-demonstration.htm Here's a fun and fiery chemistry demonstration for you. Melt <a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/od/factsstructures/ig/Chemical-Structures---P/Potassium-Nitrate-or-Saltpeter.htm">potassium nitrate</a> (KNO₃) in a test tube. Flaming the test tube with a gas burner works well. Decomposition of the ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/20/dancing-charcoal-chemistry-demonstration.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/20/dancing-charcoal-chemistry-demonstration.htm Mon, 20 May 2013 13:33:35 +0000 2013-05-20T13:33:35Z http://chemistry.about.com/b/2013/05/20/what-is-a-heavy-metal.htm A heavy metal, in the general sense, is a metal which is toxic and has a high density, specific gravity or atomic weight. Examples of heavy metals include lead, mercury ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/20/what-is-a-heavy-metal.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/20/what-is-a-heavy-metal.htm Mon, 20 May 2013 08:43:22 +0000 2013-05-20T08:43:22Z http://chemistry.about.com/b/2013/05/19/this-day-in-science-history-may-20-eduard-buchner.htm May 20^th is Eduard Buchner's birthday. Buchner was a German chemist who worked with the process of alcohol fermentation. Fermentation is the process that occurs when a carbohydrate like sugar ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/19/this-day-in-science-history-may-20-eduard-buchner.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/19/this-day-in-science-history-may-20-eduard-buchner.htm Sun, 19 May 2013 22:05:41 +0000 2013-05-19T22:05:41Z http://chemistry.about.com/b/2013/05/19/chrome-versus-chromium.htm <img src="http://0.tqn.com/d/chemistry/1/0/W/Y/1/chrome-on-motorcycle.jpg" hspace="5" border="0" align="right" width="180" height="135" alt="Chrome is a plating of chromium over another metal. (Atoma)">Have you ever wondered what the difference is between chrome and chromium? <a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/od/elementfacts/a/chromium.htm">Chromium</a> is an element. It is a hard, corrosion-resistant transition metal. Chrome, which you may see as decorative ...<p><a href="http://clk.about.com/?zi=1/1hc&#038;zu=http://chemistry.about.com/b/2013/05/19/chrome-versus-chromium.htm">Read Full Post</a></p> http://chemistry.about.com/b/2013/05/19/chrome-versus-chromium.htm Sun, 19 May 2013 18:39:22 +0000 2013-05-19T18:39:22Z