Physical Science

Elements, they are the basic building blocks of all matter and found everywhere.  They are what form the Earth, and everything upon it.  Even if you believe in God, he still made the elements to make us!  They are what…
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Argon (atomic number 18; abbreviation Ar) is a colourless, oudorless gas which is classified as one of the noble gases (also known as inert gases). It is commonly found in certain industrial activities and in certain types of electric lighting,…
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Neon, like argon and helium, is an inert gas or noble gas: that is, it is a gas with no smell and no colour which does not react with other chemicals under normal conditions outside the laboratory. Neon’s chemical symbol…
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Perhaps surprisingly, the Rutherford gold foil experiment was not actually performed by Nobel laureate chemist Ernest Rutherford, though it was carried out under his supervision, by his junior colleagues at the University of Manchester, Hans Geiger and Ernest Marsden. The…
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A missed period is one of the first signs of pregnancy, but by no means the only one. A woman who misses her period is doubtlessly anxious to find out if she is pregnant as soon as possible, even before…
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Doing science projects at home with your kids can be really rewarding. You can have a fun time with our kids experimenting with the science project and at the same time you will be teaching your child something new. Maybe…
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As a young student of chemistry, you might be wondering what’s the point of having a chart with symbols and numbers all over it? As we all start chemistry questions like, why do we need to know this? Why was…
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Helium, along with neon, argon, krypton, xenon, and radon, is an inert gas (also known as a noble gas) – that is, it does not normally react with other elements to form chemical compounds. Unlike most of these, however, helium…
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Everyone knows that the mark of creating a really creepy effect is getting the fake blood to run down and give a congealing effect, just like the real deal would give you. I have three sons and I had my…
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In chemistry, the terms “mixture” and “solution” actually refer to two quite different types of samples. According to Charles Ophardt, a mixture is a combination of substances (at least two, but often more) which have not reacted chemically and may…
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