Curated Video
Atom Structure: Electron Shells
Learn why electron shells are responsible for the properties of elements, and whether they are stable or have violent reactions. Chemistry - Atoms And Bonding - Learning Points. An element's reactivity is determined by the number of...
Curated Video
Flame Colours and Fireworks
Exploring the science behind fireworks, discover how different elements are used to produce different colours of fireworks. Chemistry - Atoms And Bonding - Learning Points. In the mid-19th century the inventor if the Bunsen burner,...
Curated Video
Heavy Water
Why did allied soldiers in World War Two embark on a dangerous mission to stop the Nazis using heavy water? Chemistry - Atoms And Bonding - Learning Points. Atoms that have the same number of protons and electrons but different numbers...
Curated Video
Alkali Metals
Witness the exciting reactions that occur when alkali metals come into contact with other substances. What does this tell us about their properties? Chemistry - Periodic Table - Learning Points. The alkali metals make up Group 1 of the...
Curated Video
The Noble Gases
The noble gases were one of the last groups of elements to be discovered. From helium balloons to light bulbs, these gases have many uses in the world around us. Chemistry - Periodic Table - Learning Points. The noble gases are found in...
Curated Video
Mars: The Search for Water
We know that Mars once had a landscape with oceans and rivers, but what happened to it? Physics - Universe - Learning Points. Although Mars is a freezing dry world today, it is thought the planet was once like Earth. If liquid water once...
Curated Video
Flame Colours and Spectroscopy
The discovery by Robert Bunsen which allowed elements to be identified more easily, and even led to the discovery of new ones. Chemistry - Atoms And Bonding - Learning Points. Gustav Kirchoff assembled the first spectroscope - two...
Curated Video
Molecule
Two or more atoms held strongly together by covalent bonds. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
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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...
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...
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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....
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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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The Halogens
Halogens are hazardous to human life, yet they can also be very useful. How do they react when they meet other elements? Chemistry - Periodic Table - Learning Points. The halogens are the elements in Group 7 of the periodic table. The...
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Radioactive Half-Life
Discover how radioactive substances change over time, and how this affects whether they are hazardous to humans. Physics - Energy And Radioactivity - Learning Points. Dangerous radioactive substances will not be dangerous forever due to...
Great Big Story
Deadlee, breaking barriers as a gay rapper in hip-hop
Join Joey Lemar, aka Deadlee, as he shares his journey as one of the first openly gay rappers, using music to challenge stereotypes and inspire change in the hip-hop industry.
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 Combination: The Elements and the Components of the Atom
By the end of this learning object, the student will be able to: Revise the elements and the components of the atom.14002
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
Matter and its Construction: Atomic Structure of Matter
By the end of this learning object, the student will be able to: Distribute the electrons in energy levels40991
Curated Video
Attempts of elements classification: The fundamentals of the periodic table
By the end of this learning object, the student will be able to: recognize the fundamentals of the periodic table.14977
Curated Video
Attempts of elements classification: Dmitrii Mendeleev
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
Wonderscape
Understanding the Triangle of Fire
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...
Curated Video
Big Ideas - Episode 11 - Bridges of the World
Building bridges has long been a Big Idea, and many ancient examples still stand today. Recently Prague residents celebrated the 600th anniversary of the laying of the first stone of their famous Charles Bridge. The University of...