Physical Science

Have you ever wondered why when the temperature is -10 degrees Celcius, you may still find liquid water?  Or why does a bot of boiling water not completely evaporate when its temperature reaches 100 degrees Celcius?  The answer to these…
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Growing crystals is easy, fun, and, a lot of times, edible and pretty to look at. It’s also a simple way to introduce younger kids to some basic elements of chemistry. It allows the opportunity to practice skills like careful…
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The silvery metallic element gallium (symbol Ga) is almost a liquid at room temperature. With a melting point of 29.78 °C (302.93 K, 85.604004 °F) and a boiling point: 2403.0 °C (2676.15 K, 4357.4 °F) it has one of the…
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One of the most hated courses both in middle and high school is chemistry. Many fear this topic because of its assumed difficulty. One method to raising the interest in this field is through demonstrations of fun little labs. Below…
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At atmospheric conditions of standard temperature and pressure, carbon dioxide is a gas.  It is a covalently bonded molecule composed of one carbon atom and two oxygen atoms, whose chemical symbol is CO2.  It is colorless and odorless, and is a small…
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Copper (II) Acetate exists as beautiful blue-green coloured crystals in its solid form. Containing Copper in its 2+ oxidation state, crystals of Copper (II) Acetate have the ability to turn fire green! As well, it can be used to form…
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In 1967, manned space flight was rocked by a pair of unexpected tragedies: the death of the three American astronauts onboard Apollo 1, during pre-launch testing of the spacecraft, and the death of the one Soviet cosmonaut aboard Soyuz 1,…
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Assuming that the human race does not destroy itself through nuclear war, chemical pollution of the environment, global climate change, or a collapse of the food supply, the next likely natural threat to our species will probably come from outer…
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Serum is the supernatant fluid when clotted blood has been centrifuged. It is the best specimen for most clinical chemistry laboratory tests because of its specific characteristics. Here are the reasons why serum is the best specimen. *Serum has less…
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Clinical chemistry is one application of the chemical sciences to medicine.  This subject is purely an experimental practice that relies heavily on instrumentation and chemical analytical techniques such as chromatography in all its forms.  This discipline of chemistry requires a…
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