NASA
The Faint Young Star Paradox: Solar Storms May Have Been Key to Life on Earth
Our sun's adolescence was stormy—and new evidence shows that these tempests may have been just the key to seeding life as we know it on Earth. Credit: NASA/Goddard/Genna Duberstein on / /
Curated Video
How Lead Acid Batteries Work
In this video, we're going to learn about lead acid batteries and how they work. We'll cover the basics of lead acid batteries, including their composition and how they work.
Professor Dave Explains
IIT/JEE Chemistry Practice #33: Ranking Acidity
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
Practice Problem: Balancing Equations
Who couldn't use a little practice balancing equations? If you've seen my tutorial outlining how to do this, then you're ready for four rapid fire examples to make sure you're ready to do this on your own. Give them a shot!
Professor Dave Explains
IIT/JEE Chemistry Practice #11: Moles/Molarity
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
Practice Problem: Isotopic Abundance and Atomic Mass
In the general chemistry series we learned about nuclide symbols, which all imply a specific atomic number and mass number. Associated with this were isotopes, and average atomic mass. Given the relative abundances of all the isotopes of...
FuseSchool
What Are Structural Isomers
In this video we will look at some different structures of butane - so they all have 4 carbons but just arranged differently. We will also look at the the 5 different isomers for hexane - they all have 6 carbons (and hence are hexane...
Professor Dave Explains
Elemental Analysis: Empirical and Molecular Formulas
There's a thing with carbon and hydrogen in it. But how many of each?! That's the kind of thing a chemist should know. So let's do some elemental analysis!
FuseSchool
What Are Giant Chemical Structures
Learn the basics about the differences between different chemical structures, including giant covalent, giant ionic and metallic structures. There are numerous materials and substances that possess giant chemical structures. Some are...
Curated Video
Balancing Chemical Equations and Understanding Chemical Formulas
This video is a tutorial on balancing chemical equations. The presenter discusses the law of conservation of mass and the importance of balancing equations to determine the ratios of reactants and products. They explain the meaning of...
Curated Video
What Is The Smallest Particle We Know?
We have built beautiful particle accelerators in the search for particles that are even more elementary than electrons, protons, and neutrons. The accelerators smash subatomic particles at enormous speeds, which causes them to shatter...
Journey to the Microcosmos
We Accidentally Grew Crystals
We'd love to learn more about our Microcosmos community and who's out there watching these videos. So, we've got a short survey for you to fill out where you can let us know more about you and what you'd like to see from Journey to the...
TMW Media
Newton's Laws Of Motion With Friction: Learning about friction
What is friction? What are the two types of frictional forces?
Newton's Laws Of Motion With Friction, Part 1
FuseSchool
Covalent Bonding In Carbon Dioxide
Carbon dioxide is a product of one of the most important chemical reactions in the world: combustion. Combustion is how a lot of people in the world heat their homes and power their cars. It also unfortunately contributes to the...
NASA
Michelle Thaller Explains Cosmic Dawn
Bringing astrophysics into everyone’s home: That is the goal with NASA’s Roman Space Telescope series “Celestial Sunday.” In this video, astronomer and science communicator Michelle Thaller explains the complex topic of Cosmic Dawn....
Curated Video
How Diodes Work
In this video, we're going to learn how diodes work. We're going to start by reviewing the basic properties of diodes, and then we'll move on to discuss how diodes are used in circuits. By the end of the video, you'll have a basic...
Professor Dave Explains
Practice Problem: Conversions Using Avogadro's Number
The concept of the mole is a little tricky when you first learn about, but soon you're converting between grams and moles and atoms with ease. Let's practice some conversions using Avogadro's Number now!
Visual Learning Systems
Exploring the Building Blocks of Matter: Comparing Different Types of Atoms
Upon viewing the Exploring the Building Blocks of Matter video series, students will be able to do the following: Understand that the quest to better understand the building blocks of matter has transpired over the past several thousand...
msvgo
Atomic Models - Thomson and Rutherford
It explains Atomic Models - Thomson model and Rutherford atomic model.
Professor Dave Explains
Practice Problem: IUPAC Nomenclature and Stereochemistry
For this one we will have to be able to interpret IUPAC nomenclature to draw molecular structure, including absolute configuration using the Cahn-Ingold-Prelog convention.
Professor Dave Explains
IIT/JEE Chemistry Practice #8: Molecular Formulas
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
FuseSchool
What is an atom
What is an atom | Matter | Physics | FuseSchool Atoms are tiny particles that are so small they are not possible to see with the naked eye, and are only barely possible to make out with the most powerful microscopes. Everything that...