Physical Science

Before history began people worked copper. Before humans could write they knew how to make use of its strength and beauty in ornaments, tools, and weapons that can still be seen in museums worldwide. It was easily accessible in its…
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Fake blood can be a great accessory for a Halloween party or even you actual Halloween costume. Add some flare to your Halloween costume by putting fake blood on your clothes. Scare your party goers or trick-or-treaters by splattering fake…
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Water is considered to be a Universal Solvent, and can dissolve a lot of minerals, liquids, substances and even metals. This is one property of water that separates it from other liquids and sunbstances. Water can dissovle tang powder, and…
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Plastic wrap it has been protecting leftovers for decades. Using household items, you can conduct an experiment to test the strength of plastic wrap. CONCEPTS STRESS is the ratio of the applied load to the cross-sectional area. Because the width…
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Atomic Number: 5Atomic Symbol: BAtomic Category: metalloidAtomic Mass: 10.81 Boiling Point: 4000 degrees CelsiusMelting Point: 2075 degrees CelsiusAppearance: Black/brown Boron, and it’s numerous compounds, have been to some extent since the times of early Egypt. Egyptians relied on an ore…
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The British physicist and chemist Robert Boyle was an important intellectual of his time and is credited as being one of the founders of modern chemistry. He is also credited with defining the theory known as “Boyle’s Law” for which…
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While the chemical concept of acid-base chemistry is definitely a high school level subject, kids of any age can learn that many substances are classified as either acidic or basic. They can also understand that these designations are important to…
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How do you start the day? A cup of heterocyclic alkaloid! “A what?” you may ask. Many of us stumble, sleepily to the kitchen each morning for a good old cup of coffee. In so doing, you are taking in…
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Early 19th-century chemist John Dalton (1766-1844) made several important if partially obsolete contributions to the essential early development of atomic theory. According to his theory, all elements are made up of fundamentally different atoms, with measurably different weights; the atoms…
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That helium makes your voice squeaky is known to everyone who joyfully discovered this little trick while playing with helium balloons as a child. In a sense we are all, then, highly fortunate that the inert and harmless helium was…
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