PBS
Did Raptorex Really Exist?
Ancient fossils have many stories to tell. Scientists must use different strategies to read these remnants. A video lesson explains how archeologists use different strategies to date each specimen. The timeline of a fossil helps identify...
Be Smart
How Atom Bombs Can Uncover Forged Art
Art forgeries are works of art themselves? How can inspectors tell real art from fake? A video from the a large science playlist explores the techniques practiced by expert forgers and the subtle science behind telling a masterpiece from...
PBS
What Happened to the World's Greatest Ape?
Gigantopithecus was the greatest of the great apes! Whatever became of them? Take a journey to Asia and explore the forests and grasslands that were once home to the large primate using a video from an extentsive biology playlist....
JFR Science
Average Atomic Mass: Why Are There Decimals on the Periodic Table?
How do you count half of a neutron? Solve the mystery of those awkward atomic masses that contain decimals with a video from JFR Science. The narrator shows viewers how to calculate the average atomic mass using the relative abundances...
JFR Science
Isotopes and Half-Life: What Are Medical Isotopes?
How do medical professionals use radiation without doing more harm than good? Budding nuclear chemists begin their study of all things radioactive with a video from the JFR Science playlist. Topics include differences between isotopes,...
Socratica
Chemistry: Average Atomic Mass (AMU, Daltons, etc.)
Scientists created a new measurement, the atomic mass unit, which is defined as carbon 12 = 12amu. So why isn't carbon listed as having exactly 12 amu on the periodic table? An installment from the Socratica chemistry playlist answers...
Teacher's Pet
Atomic and Molar Mass
Teach the connection between isotopes and atomic mass. An engaging video demonstrates the calculation of the atomic mass of carbon when considering its isotopes. The instructor then shows the connection to molar mass.
Teacher's Pet
Atomic Mass
Demonstrate the complex process of calculating a weighted atomic mass. Given the atomic mass of isotopes of a sample, the lesson instructor models the calculation. Multiple examples give learners the opportunity to review the process.
Teacher's Pet
The Nucleus
Explore the makeup of the atomic nucleus. A video lesson describes the subatomic particles of the nucleus. The instructor explains the connection between the mass and atomic numbers and the isotopes of an atom.
Veritasium
What Are Atoms and Isotopes?
Atoms may make up everything, but what are they made of? The narrator asks patrons at a local park what atoms are in an interview-style video. He then creates an atomic model and adds a neutron to it, opening the discussion to isotopes.
Fuse School
Why Aren't All Atomic Masses Whole Numbers?
Since an atom can't have a partial neutron, the atomic mass should always be a whole number, but it isn't! An interactive video lesson explains how the atomic mass number from the periodic table incorporates the isotopes of an element....
Fuse School
What are Radioactive Isotopes (Radionuclides)
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...
Fuse School
Calculating Relative Atomic Mass
Build an understanding of relative atomic mass based on the isotopes of an element. The video instructor leads an interactive lesson describing the process of calculating a relative atomic mass. He develops a formula through an analysis...
Fuse School
In Depth: Atomic Mass Units
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.
Fuse School
The Atom: Part 2 - Isotopes
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...
Fuse School
The Atom: Part 1
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.
Fuse School
Properties of Hydrogen
Hydrogen is the most abundant element in the universe. The 12th video in a 15-part series on the periodic table of elements focuses on hydrogen. It describes its role in the universe, how it appears in nature, how we use it in...
TED-Ed
What Can You Learn From Ancient Skeletons?
Skeletons may not be able to speak, but they can still tell us a lot. High schoolers watch a short video about the ways biological anthropologists can use a skeleton's bone structure to determine age, gender, place of birth, and social...
Fuse School
Global Warming - Evaluating the Evidence
It's getting hot in here! Evidence of global warming is all around us, as shown in part four of a series of eight videos about global warming and the carbon cycle. High school environmentalists get to examine the facts for themselves in...
Fuse School
Spectrometry
Your class' curiosity will peak during this video about the process of spectrometry. Young chemists discover how spectrometry assists forensic chemists in determining the identity of unknown substances, as well as how it played a role in...
SciShow
Strontium: It Knows Where You've Been
Humans ingest approximately 1-5 mg of strontium everyday! An interesting video describes how scientists use the element strontium to learn about people. The narrator explains where strontium is found and how it gets into and builds...
Fuse School
What is a Weighted Average?
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...
Bozeman Science
Atoms and the Periodic Table
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...
Crash Course
The Nucleus
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...