AFP News Agency
CLEAN : Cricket: Flood of refugees leads to boom in Germany
CLEAN : Cricket: Flood of refugees leads to boom in Germany
Khan Academy
Aldol Reaction, Alpha Carbon Chemistry, Organic Chemistry
This video covers the carbon-carbon bond mechanism and also reviews the enol and enolate ion and the keto-enol tautomerism. Sal uses an aldehyde in the example, but a ketone could be used as well. As with all of the other videos, Sal...
Khan Academy
E1 Reactions, Substitution and Elimination Reactions, Organic chemistry
This video builds upon the previous topic and explains how the elimination reaction between moderately electronegative molecules is controlled.
Khan Academy
Mini-Video on Ion Size, Periodic Table, Chemistry
Sal discusses what happens to elements when they become ionized. He demonstrates that when neutral atoms become ionized, they can significantly change their relative atomic sizes. He uses the Periodic Table of the Elements to illustrate...
Learning Games Lab
Properties of Soil
How do the different types of soil allow water to flow? Scholars compare flocculated and dispersed soils and their ability to move water through the soil. Silt, sand, and clay particles clump together and create large pores in the soil...
TED-Ed
What Makes Neon Signs Glow? A 360° Animation
Why are neon signs so bright and colorful? Scholars discover how artists create neon signs and find out that neon is not the only gas they use in their production. Next, they explore the history of neon signs and how their development...
Crash Course
Why It's so Hard to Make Better Batteries: Crash Course Engineering #32
Better batteries may be just around the corner. Viewers of an engaging video first learn how batteries work and how charging batteries uses a reverse process. They then learn why it is difficult to make better batteries.
Crash Course
Electricity: Crash Course History of Science #27
It's almost impossible to imagine living without electricity, but it isn't that long ago that was the norm. An informative video lesson briefly discusses each important discovery related to electricity. The narrator highlights each...
Socratica
Chemistry: What Is an Ionic Bond?
Teach your class all they want to know about ionic bonds. An engaging video, part of the Socratica "Chemistry Lessons" playlist, explains what ionic bonds are and how they form. It describes multiple examples of ionic bonds and...
JFR Science
pH and Kw
What is pH and where does it come from? Science superstars take their understanding of acids and bases to another level using a video from JFR Science. The narrator builds on prior knowledge to show viewers how to use what they already...
JFR Science
Ka
Aren't all acids strong? Dispel the myth with a video from JFR Science. Viewers learn general types of strong and weak acids, what the dissociation constant is, and the behavior of strong versus weak acids with bases and water.
JFR Science
Calculating Empirical and Molecular Formula: What Is a Mass Spectrometer?
What's the formula for success? A unique and well-written resource from JFR Science explains empirical and molecular formulas. Young chemists learn the steps and skills required to determine the formulas from percent composition and...
JFR Science
Acid Base Theory: What Makes an Acid an Acid?
Everyone's familiar with acids like vinegar and lemon juice—but what makes them different from ammonia and baking soda? Science sleuths discover acid base theory using a video from JFR Science. Viewers explore the interactions of acids...
JFR Science
Periodic Trends: Why Can't I Get Any Francium?
We are family! Why are elements in the same group so similar in many ways? Science scholars explore the relationship between valence electrons and an element's characteristics through a video from the JFR Science playlist. The narrator...
American Chemical Society
How Does Salt Melt Ice?
Much like the ice on roadways, common sodium chloride has been melting away snow days for many a year! Explore the colligative property freezing point depression through an interesting video from the American Chemical Society Reactions...
Socratica
Chemistry: Ionic Bonds vs Covalent Bonds (Which is Stronger?)
Both ionic and covalent bonds present as strong bonds, but which is stronger? Socratica presents a video from its chemistry playlist that attempts to answer this question. It addresses how strength is measured and the range of strengths...
American Chemical Society
What Do Electrolytes Actually Do?
Why is your sweat salty? An episode of the ACS Reactions series examines the role of electrolytes in our systems. The narrator explains how the salts of electrolytes work in the nervous system. When we lose those electrolytes through...
Socratica
pH of 10 Common Household Liquids
Acids and bases are a part of our daily lives! Curious chemists explore the pH of such solutions as shampoo, sriracha, and glass cleaner through a video from Socratica's Chemistry Lessons series. The narrator predicts what she thinks the...
Teacher's Pet
Monoatomic and Polyatomic Ions
Investigate the ions of the atomic world. By referencing the periodic table, the video instructor describes the different charges of monoatomic ions and references both their stock and classical names. She then defines polyatomic ions...
Teacher's Pet
Atoms
Discover the relationship between mass number, atomic number, and the makeup of the atom. The video instructor explains how to determine the number of each subatomic particle from the atomic and mass number. She demonstrates multiple...
MinuteEarth
How to Make a Seashell - Just Add Water!
Shell-building animals are resourceful creatures! An interesting video lesson describes how they use calcium and carbonate ions in the ocean to form their shells. The process is dependent on the equilibrium of calcium and carbonate ion...
Veritasium
What's In A Candle Flame?
A candle flame is a good conductor of electricity. An engaging video lesson demonstrates this phenomenon with an experiment. Following the experiment, the instructor explains the science and provides additional evidence to reinforce the...
Veritasium
What Is Chemistry?
Hard to describe, even harder to grasp in some cases, what is chemistry? According to participants in an impromptu video, it's more about ... love? See the perspective of all walks of life when the narrator pops the question in an...
Fuse School
Formulae of Ionic Compounds and their Names - Part 2
I asked the cat sitting next to me if he had any Sodium Hypobromite; he said NaBrO. The third video in the six-part series introduces how to name polyatomic ions such as Sodium Hypobromite. It offers the general rules and a few example...