Curated Video
Half-life
Originally used in relation to radioactivity, describing the time required for half the atoms of a radioactive substance to decay. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Weathering: The Breakdown of Rock by Physical and Chemical Processes
The breakdown of rock into smaller pieces by physical and chemical processes at the Earth's surface. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Cell division
The process by which a single parent cell divides into two or more daughter cells. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Fermentation: Converting Carbohydrates into Other Products
The process by which microorganisms can convert carbohydrates into other products. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Heat
The transfer of thermal energy. 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 abstract concepts and key...
Curated Video
Exothermic
A chemical reaction or process that releases heat. 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 abstract...
Curated Video
Parts of the Plant: Leaves
Why are leaves commonly flat, spongy and strikingly green? Discover the different parts of a leaf and their function. Biology - Plants - Learning Points. A leaf is made of many layers sandwiched between tough outer layers. Gases enter...
Curated Video
Sexual Selection
Learn how sexual selection governs mate choice, but also drives the evolution of species. Examples of physical and behavioural, intra and inter species sexual selection. Biology - Adaptation And Evolution - Learning Points. Selecting a...
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How We See Part 2: Brain
Only a small part of what the eye 'sees' is in focus. To turn the image on the retina into complete vision the eye needs help from the brain. Biology - Being Human - Learning Points. The brain processes the raw information coming from...
Curated Video
Kilauea - The Island Maker
Volcanoes are infamously destructive, but they can also be a constructive force. Mt. Kilauea, the world's most active volcano, helped create the islands of Hawaii millions of years ago. Earth Science - Geology - Learning Points. Mount...
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Carbon Capture: Artificial Trees
Artificial trees: what are they? How do they work? And how could they help to prevent climate change in the future? Human Geography - A Changing World - Learning Points. The rate of climate change is increasing because of the increasing...
Curated Video
Fungi
Discover the magical world of fungi. Neither plant nor animal, they are a separate classification of living organism. Biology - Ecosystems - Learning Points. Fungi are neither plant nor animal. Most fungi are made up of networks of...
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Colonising the Moon
From the Russians' attempt to colonise the Moon to eccentric plans for Mars. Physics - Universe - Learning Points. The longest anyone has ever stayed on the Moon is 75 hours. Helium-3 is rare on Earth but can be processed from Moon soil,...
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Nuclear Fusion: The Hot and Cold Science
When a group of scientists claimed they had achieved nuclear fusion, the discovery became one of the most controversial of the 20th century. What is fusion, and what role does heat play in it? Physics - Energy And Radioactivity -...
Curated Video
Fossil Evidence
Studying fossil evidence reveals how organisms have changed over time. What are fossils and how are they formed? Biology - Adaptation And Evolution - Learning Points. Fossil hunters are called paleontologists. Paleontologists study...
Curated Video
Plants in Extreme Environments
To survive, plants have developed adaptations to regulate temperature and water, and maximise the capture of sunlight. Some plants have even evolved to survive in extreme environments of hot deserts and Polar regions. Biology - Plants -...
Curated Video
Making a Star on Earth
Large-scale nuclear fusion is one of the ultimate goals of science which has yet to be achieved. How does nuclear fusion work and is a future likely in which we can reproduce the power of a star on Earth? Earth Science - Earth's...
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The Water Cycle
All water on planet Earth is constantly cycled from the atmosphere, into reservoirs, and through plants and animals. The Earth's water has completed this cycle around 8 million times. Earth Science - Weather - Learning Points. Water on...
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The Genius Sperm Bank: Part 2
Meet the grown-up designer babies created by Robert Graham's Genius Sperm Bank in 1970s America. Were any geniuses? Biology - Cells And DNA - Learning Points. Germinal choice was introduced by millionaire Robert Graham. Children born of...
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Origin of Species
How are new species created? An insight into the key evolutionary processes, played out over many generations, which lead to speciation. Biology - Adaptation And Evolution - Learning Points. We all originate from a single cell, so why...
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The Prime Number Code
Why prime numbers are the building blocks of encryption, used for information security, in cash machines and to hide your identity online. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum....
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The Greenhouse Effect
Without the greenhouse effect, our planet would be too cold to inhabit, but it's currently a major cause of global warming. What is the greenhouse effect, and why is it such a conundrum? Earth Science - Human Impacts - Learning Points....
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Fractional Distillation - Crude Oil Separation
Learn how the industrial process of fractional distillation transforms crude oil into a variety of products, from plane fuel to road surfacing. Chemistry - Chemical Industries - Learning Points. Extraction of crude oil from Fractional...
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Fold Mountains: Formation
Where are fold mountain ranges found on our planet? And how do the movements of tectonic plates affect their growth? Earth Science - Geology - Learning Points. A Fold mountain forms over millions of years by a process called orogeny....