Physical Science

Astronomy and Mythology for Elementary Students Have you ever had the privilege of teaching or knowing a student in elementary school who just couldn’t wrap their mind around wanting to learn the information their teachers are trying to impart? One…
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Even though the Greek philosopher, Democritus, was the first person to say that matter is made up of very small, indivisible particles that he called atomos, John Dalton is considered the father of chemistry. John Dalton proposed the modern atomic…
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Astronomy is a fascinating area of science with new discoveries being made just about every day, it seems. Just this month, there was a lunar eclipse. And also, a discovery was announced of a solar system with a planet much…
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Astatine Symbol: At Atomic Number: 85 Atomic Mass: 210.0 amu (atomic mass units) Melting Point: 302.0 C (575.15 K, 575.6 F) Boiling Point: unknown Number of Protons: 85 Number of Electrons: 85 Number of Neutrons: 125 Classification: Semi Metal Group…
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Calcium Symbol: Ca Atomic Number: 20 Atomic Mass: 40.078 amu (atomic mass units) Melting Point: 839.0 C (1112.15 K, 1542.2 F) Boiling Point: 1484.0 C (1757.15 K, 2703.2 F) Number of Protons: 20 Number of Electrons: 20 Number of Neutrons:…
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Bismuth Symbol: Bi Atomic Number: 83 Atomic Mass: 208.98038 amu (atomic mass units) Melting Point: 271.3 C (544.45 K, 520.33997 F) Boiling Point: 1560.0 C (1833.15 K, 2840.0 F) Number of Protons: 83 Number of Electrons: 83 Number of Neutrons:…
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Aluminum Symbol: Al Atomic Number: 13 Atomic Mass: 26.981539 amu Melting Point: 660.37 C (933.52 K, 1220.666 F) Boiling Point: 2467.0 C (2740.15 K, 4472.6 F) Number of Protons: 13 Number of Electrons: 13 Number of Neutrons: 14 Classification: Metal…
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There are cases in many stories (usually science-fiction or science-fantasy stories) in which an infinite time loop is used. What is fascinating about this idea is the way a seemingly impossible premise is presented: the fact that certain events in…
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Like most things in life, being safe while handling chemicals really boils down to common sense. A little planning and some basic precautions can keep accidents from becoming catastrophes. Safety precautions used should be designed around the most dangerous chemical…
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Electron Super Highway Our world runs on electricity. The simple invention of moving electrons through wire has changed our world. However, electricity has essentially remained unchanged in the years since its invention. Our electric infrastructure is still just a simple…
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