Curated Video
Factpack: How to Make a Human
Revealing the elements which make up the human body, and their relative abundance. Chemistry - Periodic Table - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention...
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Red giant
A small to medium sized star late in its life, when it has used up its hydrogen in nuclear fusion and starts burning heavier elements. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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Factpack: Digestion
Amazing facts about digestive organs. Find out what they are, how they work, and how some animals' are different. Biology - Human Body - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic,...
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Compound
A substance composed of more than one chemical element, whose atoms are held together by strong chemical bonds and are combined in a fixed ratio. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
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Substitution reaction
A reaction in which one functional group in a molecule is replaced by another functional group. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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Primeval soup
Or primordial soup, refers to the medium in which the first life on Earth may have originated. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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pH
The pH scale measures the acidity or alkalinity of a solution. 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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Factpack: Hydrocarbons
An introduction to hydrocarbons. Learn how unreactive alkanes can be made into reactive alkenes. Chemistry - Chemical Industries - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or...
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The Elements: Hydrogen
Hydrogen is a highly flammable element, with the potential to become a non-polluting alternative to gasoline. Chemistry - Periodic Table - Learning Points. Hydrogen is the element with the lowest density. Hydrogen is highly flammable and...
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Big Bang Theory
Discover one theory about a single event over 13.8 billion years ago, that might have created our Universe. Physics - Universe - Learning Points. The Big Bang took place over 13.8 billion years ago. The Big Bang caused our Universe to...
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Saturn
Where does Saturn fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Saturn is the 6th planet from the Sun. Saturn has such a low density that it would float on water. There are...
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The Sun - Our Star
Our Sun is a medium sized star, which creates the perfect conditions for life on Earth. What happens on the Sun and how do stars, including the Sun, live and die? Physics - Our Solar System - Learning Points. The Sun is 4.6 billion years...
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Neptune
Where does Neptune fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Neptune is the 8th planet from the Sun. It takes Neptune 165 Earth years to orbit the Sun. Neptune has the...
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The Birth of Our Solar System
The explosive reactions and forces, from gravity to nuclear fsion, which formed our Solar System. Physics - Our Solar System - Learning Points. Our Solar System is the region of space which falls within the gravitational influence of our...
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The Hindenburg Disaster
The Hindenburg tragedy was one of the great aviation disasters of the 20th century. Chemical reactions are thought to have brought down the airship, but which ones? Chemistry - Reactions - Learning Points. The Hindenburg was a German...
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Carbon: Introduction
Carbon occurs naturally in four different forms. Discover how they differ and why? Chemistry - Atoms And Bonding - Learning Points. Carbon is present in all living organisms. Carbon in its elemental form appears as four distinct...
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Oxygen and Combustion
Combustion reactions are vital: from keeping us warm and cooking our food, to providing electricity and propelling rockets into outer space. What do we know about these chemical reactions? Chemistry - Reactions - Learning Points....
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How Hot Is the Earth's Core?
Unreachable by man, scientists have developed a complex experiment to demonstrate the heat and pressure at the centre of the Earth. Earth Science - Geology - Learning Points. The Earth's core is a dense ball of iron and nickel. To...
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The Race for Absolute Zero: Liquefying Gas
How a race between two scientists to liquefy gases led them near to absolute zero - the coldest temperature possible. Physics - Energy And Radioactivity - Learning Points. Absolute zero occurs at -273.15 degrees Celsius. Absolute zero is...
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Eco-Transport
The transport industry is one of the leading polluters in the world today. What technologies are being developed to create cleaner transportation and what are their advantages and disadvantages? Earth Science - Earth's Resources -...
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Photosynthesis: How Plants Convert Sunlight into Energy
Journey into the chloroplast, where photosynthesis takes place, to learn how plants convert sunlight into usable chemical energy - one of the most vital processes on Earth. Biology - Plants - Learning Points. Leaves are small...
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The Curse of Phlogiston
The 17th century German chemist Johann Becher proposed that an element, phlogiston, was released when substances burned. He was wrong, and his incorrect theory led many early chemists to misunderstand the significance of some of their...
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The Race for Absolute Zero: Laser Cooling
Lasers are usually associated with heat. But scientists have instead used them to reach the coldest temperature ever recorded. Could they reach absolute zero? Physics - Energy And Radioactivity - Learning Points. Absolute zero is...
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What Are Stars?
What are stars made of? How are they born, how do they live, and how do they die? Physics - Our Solar System - Learning Points. Our nearest star is the Sun. A star is formed from a cloud of dust and gas, which shrinks under gravity and...