Physical Science

How Telescopes Work I remember the first time that I looked through my Dad’s telescope lens. He loved all things scientific, especially if they could be observed while he was outdoors! I saw the surface of the moon for the…
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Why does ice float on water? Solids usually sink in liquid. A rock, for instance, dropped into water, will go straight to the bottom. What prevents ice from displacing liquid water? Water is unique due to hydrogen bonding. The physical…
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Water is an unusual and unique substance. Unlike most other compounds that continue to become denser as they grow colder, water only grows denser until it is just below the freezing point, then it actually grows less dense than it…
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Growing sugar crystals can be a fun project to do with younger kids on a rainy day, or as a science experiment for a school project. There are several ways to do this, including the string method. Here are some…
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Water is the most unique substance known to man. It defies chemical and physical logic by exhibiting behaviors that contradict those that are expected. For example, with a molecular weight of 18 g/mole, water should be a gas at room…
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“I don’t like to be suspicious or talk scandal, but sometimes I think the Jumbles have too much baking powder in them.” ~ The Emerald City of Oz by Baum, L. Frank BAKING POWDER Baking powder is a mixture of…
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Candles have been around for centuries, and they will probably be here for just as long as mankind is walking this time-bomb of a planet. When electricity fails, batteries can be a mans’ best friend. But when the batteries die…
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How Beryllium is used Beryllium, a chemical element with the symbol Be and atomic number 4 is a brittle alkaline earth metal that is steel-grey in color and light-weight while exceptionally strong for many industrial uses. Primarily, it is used…
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In sixth grade I was forced to come up with something for a science fair. I wasn’t a very crafty child. I had plenty of book smarts and was getting A’s and B’s in all my classes, but when it…
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Store-bought ice cream can be quite expensive, as well as full of unexpected, unexplained ingredients. Still, we usually go out to buy ice cream – few realize that it can be made at home, quickly, easily, and inexpensively, in under…
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