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...

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...

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...

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...

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....

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....

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....

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...

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...

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;...

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.

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.

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...

By the end of this learning object, the student will be able to: Summarize the important points of chemical equations and reactions.28728

By the end of this learning object, the student will be able to: Explain the meaning of oxides and their properties.14003

By the end of this learning object, the student will be able to: Introduce the elements in nature.41826

By the end of this learning object, the student will be able to: Estimate the reaction of non-metals with oxygen.14978

By the end of this learning object, the student will be able to: recognize the fundamentals of the periodic table.14977

By the end of this learning object, the student will be able to: State Mendeleev’s Attempts of elements classification.4431

By the end of this learning object, the student will be able to: Recognize the efforts and attempts of some scientist to classify elements.4430

Probability

Delve into the science of fire prevention and learn about the fundamental elements required for a fire to ignite and persist. Discover how oxygen, heat, and fuel interact to form the basis of the fire triangle and explore the importance...

We shall look at the following datatype: lists, mutable (changeable) after creation. This clip is from the chapter "Introduction to Python" of the series "Machine Learning: Random Forest with Python from Scratch©".This section focuses on...

Let's understand the for loop and how it is used to iterate a sequence, which is a list, tuple, string, dictionary, or set. This clip is from the chapter "Introduction to Python" of the series "Machine Learning: Random Forest with Python...