How does the sun give us light and heat? Discover what's really going on inside the centerpiece of our solar system in a brief video. The content includes common misconceptions about the sun's source of energy, how the simple elements...

Are our universe's days numbered? Yes and no, depending on how you look at it. Travel as far into the future as possible in a video describing the five ages of the universe. The narrator begins the tale in current days, which are the...

No one was actually there to see the birth of the universe, but years of collaboration between physicists and mathematicians allow us to glimpse all but a fraction of a second of it. A narrated journey shows the phase changes...

Creating new particles is only limited by the imagination. An entertaining video lesson shows scholars how scientists manipulate known particles, atoms, and molecules to create new particles. The instructor discusses many examples as...

Create a little excitement with a radioactive resource! An engaging lesson builds a solid understanding of the nature of radioactive isotopes. The narrator explains the desire of a nucleus to become stable, which leads to radioactive...

Discover the significance of the atomic number and mass number. A video lesson describes the relationship between the two numbers and the subatomic particles. The instructor leads several examples that use the two numbers to determine...

The facts are in the numbers! Using atomic mass units, a video lesson explains the carbon atom as the reference mass. Building from that idea, the narrator describes the relative isotopic mass.

How can atoms with different masses be the same element? An interactive video lesson describes the meaning of an isotope. The instructor emphasizes the relationship among the subatomic particles. The lesson continues by discussing...

Learn the ins and outs of the particles we call atoms. A thorough video lesson describes the atom as a building block. The instructor discusses the periodic table as a reference to atoms and then explains the parts of the atom in detail.

Everyone knows the Big Bang Theory ... but, then what happened? Go beyond the bang in an illustrated video that discusses the after effects of the event that set our universe in motion. Physics scholars discover how the creation of...

Walk in the shoes of a research scientist. A short video describes the hurdles necessary to prove that neutrinos are faster than light. The narrator describes the initial experiment and the follow-up research necessary to support the...

The importance of ammonium salt solutions is covered in a video that explains how to solve the reactions, the chemical equations, and the structure of the various ions. 

More than 50 years after the Higgs Boson was predicted, scientists discovered it. The video shares the excitement of this monumental discovery, often compared to the discovery of the electron. It explains the hesitation with the initial...

The strong force holds quarks together to form hadron particles, which include baryons and mesons. Common baryons, such as protons and neutrons, are the focus of a video that shows how they use the strong force. Then it explains the...

There is a force stronger than electricity or gravity, so scientists named it the strong force. The video continues the explanation of the strong force and the way it works. It also describes the limitations, such as only working in very...

Have you ever wondered why the atomic mass listed on the periodic table isn't a whole number? This video explains how weighted averages are calculated and relates the average to the relative atomic mass. Viewers are then given an element...

After discovering plutonium, Glenn Seaborg was given the opportunity to determine its periodic symbol. Rather than going with the obvious Pl, he went with Pu as a joke. The designation was approved and is now on every periodic...

Viewers learn about the history of our knowledge of atoms through the discoveries of eight different scientists: Mendeleev, Democritus, Dalton, Thompson, Schrodinger, Bohr, Rutherford, and Chadwick. 

What do you call an acid with an attitude? A-mean-oh acid. Many pupils think of the acids found in the lab rather than the more common every day acids. The video introduces more common acids in food, our bodies, and other areas of...

Learn about the Arrhenius Theory as well as the holes in the theory with a video introduces the Bronsted-Lowry Theory and details the relationships with ions and protons. 

The Rutheford plum pudding model of an atom, as well as the nuclear model, are the subject of a video that also includes an explanation of protons, neutrons, electrons, nucleus, atomic mass, atomic charge, and ions. 

Einstein didn't just discover relativity, he proved the existence of atoms in 1905 — more than 110 years ago. Discover how he did it and begin learning about basic chemistry: parts of an atom, atomic mass, atomic number, and how to read...

Two chemistry videos cover the topics of ionization, dissociation, autoionization, and autodissociation. They also also discuss an example problem for each topic.

The best part of equilibrium is that nothing changes. A video offers a simple definition of acids and bases, common acids and bases, and their conjugates.