Physics

Science Review of White Dwarfs, Neutron Stars, and Black Holes

Science Review of White Dwarfs, Neutron Stars, and Black Holes 150 150 Deborah

Overview When hydrogen fuel is exhausted within a stellar core, rapid changes take place within the star depending upon its mass and temperature. Some of these nuclear reactions result in…

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Science Introduction to the Life Cycle of Stars

Science Introduction to the Life Cycle of Stars 150 150 Deborah

Overview Stellar evolution is the theory of the life cycle of stars. Scientists observe many different stars at various stages, starting with the earliest condensations from clouds of nebular gas…

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Chemistry Review of the Heaviest Elements

Chemistry Review of the Heaviest Elements 150 150 Deborah

Overview Over the centuries, the number of elements has changed as new elements have been discovered.  Some unstable, heavy elements  have only been synthesized in atomic laboratories, so very little is known…

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Chemistry and Physics Review of Energy

Chemistry and Physics Review of Energy 150 150 Deborah

Overview Energy provides the capacity of matter to do work.  Without it, there would be no chemical reactions or physical reactions and matter would be inert.  It exists in forms…

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Science Review of Heat and Temperature

Science Review of Heat and Temperature 150 150 Deborah

Overview: Heat energy is kinetic energy caused by the vibration of particles within a substance.  Temperature is the measure of the average heat energy within a sample of the substance,…

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A Physics Review of Subatomic Particles

A Physics Review of Subatomic Particles 150 150 Deborah

Overview:  What Are Subatomic Particles? Subatomic particles include those particles smaller than an atom.  Some of those particles are charged, such as protons, which have a positive charge, and electrons,…

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The Chemistry and Physics of Superconductors

The Chemistry and Physics of Superconductors 150 150 Deborah

Overview:  What Are Superconductors? Superconductors are substances that do not resist electrical flow at all when they are cooled below a certain temperature.  Electrical currents can flow indefinitely without using…

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Physics in Action: The Sounds of The Big Bang

Physics in Action: The Sounds of The Big Bang 150 150 Deborah

Overview:  The Beginnings of The Universe The astrophysical theory of how the universe began has been nicknamed “The Big Bang.”  All matter was compressed into a incredibly dense, superheated mass…

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The Formation of Stars

The Formation of Stars 150 150 Deborah

Overview:  How Stars Are Made Astronomers and physicists have theorized that stellar formation happens when clouds of gas and interstellar dust collapse, molecules of hydrogen attract one another, and nuclear…

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Distance, Velocity, and Acceleration

Distance, Velocity, and Acceleration 150 150 SchoolTutoring Academy

There is a relationship between distance, velocity and acceleration. When you understand how they interact, and their equations; they are much easier to grasp. The relationship between distance and velocity…

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