Bozeman Science
Metallic Solids
In this video Paul Andersen explains how metallic solids form when delocalized electrons hold the positive nuclei in an electron sea. This model helps to explain the properties of metals like conductivity, shiny appearance, malleability,...
Bozeman Science
Metallic Bonding
In this video Paul Andersen explains how metallic bonding structure creates the different properties of metals. The electron sea model explains how the positive nuclei are locked into a negative sea of delocalized electrons. This sharing...
Bozeman Science
Practice 1 - Asking Questions and Defining Problems
Paul Andersen explains how asking questions is the first step in both science and engineering. Questions allow scientists to direct inquiry with a goal of understanding the phenomena in the Universe. Questions allow engineers to define...
Crash Course
How To Speak Chemistrian: Crash Course Chemistry
Learning to talk about chemistry can be like learning a foreign language, but Hank is here to help with some straightforward and simple rules to help you learn to speak Chemistrian like a native. Table of Contents Determining Formulas...
Crash Course
Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry
Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress...
Crash Course
The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry
Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went...
TED-Ed
TED-ED: The law of conservation of mass - Todd Ramsey
Everything in our universe has mass - from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow...
Bozeman Science
Chemical Bonds: Covalent vs. Ionic
Mr. Andersen shows you how to determine if a bond is nonpolar covalent, polar covalent, or ionc.
Crash Course
Introduction to Anatomy & Physiology: Crash Course A&P
In this episode of Crash Course, Hank introduces you to the complex history and terminology of Anatomy & Physiology. -- Table of Contents: Anatomy: The Structure of Parts 2:34 Physiology: How Parts Function 3:50 Complementarity of...
Bozeman Science
Contact Forces
In this video Paul Andersen explains how contact forces result from interatomic forces. The following forces are explained at the interatomic level: normal force, applied force, friction force, tension force, spring force, and buoyant...
Bozeman Science
The Mole
In this video Paul Andersen defines and explains the importance of the mole. The mole is simply a number (like a dozen) used to express the massive number of atoms in matter. It serves as a bridge between the mass of a compound and the...
MinutePhysics
Open Letter to the President - Physics Education
Open Letter to the President - Physics Education
MinutePhysics
MAGNETS - How Do They Work
How do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.
Bozeman Science
Resistivity
In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...
SciShow
The Moon Has a Tail!
Did you know the moon has a tail? No one did, until 1998, and we've been trying to figure it out ever since.
Bozeman Science
Quantum Mechanical Model
In this video Paul Andersen explains how the quantum mechanical model of the atom refined the shell model. Uncertainty of the position of the electron as well as spin forces chemists to create an improved model. In this model the...
Bozeman Science
Elements and Molecules
In this video Paul Andersen explains how elements and molecules are made of atoms. In a pure sample of a pure substance the average mass remains the same. If more than one atom is found in a molecule the ration of average masses remains...
Curated Video
Unveiling the SECRETS of Atomic Structure!
In this video, students will learn about atomic theory, atomic structure and how the atom is put together. This will include learning about the different subatomic particles, protons, neutrons and electrons, that make up the atom! This...
Curated Video
How to Determine the Number of protons, neutrons and electrons in an ION
In this video, we'll be talking about how to determine the number of protons, neutrons, and electrons in an ion. We'll be using the periodic table to help us out, so don't miss it! If you're looking to learn about atomic and nuclear...
Curated Video
Molecules, compounds and types of chemical bonds
What is the difference between a molecule and a compound? What are the main types of chemical bonds? In this video, we will be answering those questions and more.
Curated Video
How lasers are used to treat cancer
In medicine, we use different types of lasers to fight cancer. In this video, we will learn everything about carbon dioxide (CO2), argon and neodymium: yttrium aluminum garnet (Nd:YAG) lasers and how they are used to treat cancer in a...
Science ABC
How Does a Light Bulb Work?
An incandescent bulb mainly consists of two parts—the bulb and the filament. The bulb is generally made of glass, within which is a vacuum. The filament inside the bulb is where the actual light is produced. It is made of a long and...
Curated Video
Why is the Periodic Table Shaped the Way It Is? Is an Alternative Periodic Table Better?
Why is the Periodic Table Shaped the Way It Is? Is an Alternative Periodic Table Better?