Curated Video
We Are All Made of Stars
Discover how elements are formed in the centre of stars, and how some elements are formed in even more spectacular conditions. Chemistry - Periodic Table - Learning Points. Most elements were created in space. At the beginning of the...
Curated Video
Transition Metals
Transition metals are the largest group in the periodic table. Find out what similarities they share, and how we make use of these metals. Chemistry - Periodic Table - Learning Points. Transition metals are found as a block in the middle...
Curated Video
Introduction to Chemical Bonding
The basic ways elements combine to create compounds, fundamental to life as we know it. Chemistry - Atoms And Bonding - Learning Points. There are 92 naturally occurring elements. They fall into two categories: metals and non-metals....
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Elements vs Alloys
We compare melting points of lead and tin to the melting point of their alloy, solder. By timing how long it takes samples of each to melt, we discover that the melting point of solder is actually lower than those of both lead and tin....
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Incandescent Light Bulb
We look at how an incandescent light bulb can be made. First we attach a tungsten wire to electrodes in a flask of air and pass a current through the wire. The wire glows briefly before burning and breaking. Next we fill the flask with...
Curated Video
Ionic Bonding
How metals and non-metals combine to form compounds with unique and very different properties. Chemistry - Atoms And Bonding - Learning Points. An electrically charged atom is called an ion. Ionic bonds are very strong. Ions are formed...
Curated Video
What is an Atom?
From our bodies to the oceans and stars, everything is made of millions upon millions of tiny atoms. But what are atoms made of? Chemistry - Atoms And Bonding - Learning Points. The building blocks of all elements are called atoms. Atoms...
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Forming Iron Sulfide
We examine the different properties of iron and sulfur when they are mixed and when they are chemically combined. When iron and sulfur are mixed they retain their individual properties. When they react chemically to form iron sulfide...
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Geometry: Euclid
Although little is known about his life, through his textbook, 'The Elements', Euclid has become possibly the most prolific maths teacher ever. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Atomic Structure
What does the Periodic Table tell us about the elements, their properties and behaviours? And why does the atomic number define each element? Chemistry - Periodic Table - Learning Points. The structure of the atom reveals why the...
Curated Video
Extraction of Aluminium
Explore the difficulties of extracting aluminium from its ore, and how the vast quantities of heat and electricity generated by electrolysis allow this to happen. Chemistry - ReactionsLearning Points. Aluminium is difficult to extract...
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Covalent Bonding
How non-metal elements combine by covalent bonds to form compounds. Chemistry - Atoms And Bonding - Learning Points. Covalent bonds occur between non-metal atoms. The number of bonds depends on how many electrons are in the outer shell....
Curated Video
Forces of Nature
Introducing the four main forces of nature: gravity, electromagnetic force, weak and strong nuclear forces. Learn why they are fundamental to life on Earth. Physics - Forces - Learning Points. There are four fundamental forces of nature....
Curated Video
Set Theory: Cantor
Born in Russia and a talented violin player, Cantor is best remembered for inventing Set Theory – but his life and work was overshadowed by his bipolar personality. Maths - History Of Maths A Twig Math Film. Reinforce and extend the...
Curated Video
Big Bang Evidence
Discover the scientific evidence that supports the Big Bang theory - from the expanding Universe to cosmic microwave background radiation. Physics - Universe - Learning Points. An expanding Universe, an abundance of light elements, and...
Flipping Physics
Inductors vs. Resistors: Exploring the Fundamental Differences
Join us as we delve into the intricacies of resistance, resistors, resistivity, inductance, self-inductance, and inductors. Billy kicks things off by clarifying the differences between resistance, a concept; resistors, physical elements;...
Great Big Story
Explore La Scarzuola, Italy’s surreal ideal city
Discover La Scarzuola, an architectural masterpiece in Terni, Italy. Built by Tomaso Buzzi as his “autobiography in stone,” this surreal city blends mystery and art.
Bedtime History
History of Minecraft for Kids | Bedtime History
Learn about the history of the creation of Minecraft, from its original version by Markus Persson to the many mods and newer versions now built by Microsoft.
Curated Video
Conditions for Optical Activity: When Molecules Twist Light
For a molecule to exhibit optical activity, it must be chiral, meaning it has no internal plane of symmetry. Additionally, the solution or compound should not contain equal amounts of enantiomers (racemic mixture), as these cancel out...
Curated Video
Chemical Equations and Reactions: The Chemical Reactions
By the end of this learning object, the student will be able to: Summarize the important points of chemical equations and reactions.28728
Curated Video
Chemical Compounds: Oxides
By the end of this learning object, the student will be able to: Explain the meaning of oxides and their properties.14003
Curated Video
Matter and its Construction: Elements consist of Similar Atoms
By the end of this learning object, the student will be able to: Introduce the elements in nature.41826
Curated Video
Attempts of elements classification: The Development of the Periodic Table
By the end of this learning object, the student will be able to: State Mendeleev’s Attempts of elements classification.4431
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Graduation of elements properties in the modern periodic table
By the end of this learning object, the student will be able to: Estimate the reaction of non-metals with oxygen.14978