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Hydrocarbons
Any organic compound composed only of carbon and hydrogen. 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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Organic chemistry
The study of carbon-based compounds. 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...
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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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Crystal
A solid consisting of atoms, molecules, or ions arranged in a highly ordered, repetitive, three-dimensional lattice. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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White dwarf
A small, extremely dense star characterised by high temperature and luminosity, no longer capable of nuclear fusion. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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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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Non-metals
The non-metal elements are found to the right of the Periodic Table. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Reducing agent
A substance that removes oxygen from, or donates electrons to, another substance during a reaction. 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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The Elements: Carbon
Learn about carbon - the basis for all life on Earth. Chemistry - Periodic Table - Learning Points. Carbon is the basis for all life on Earth. Pure carbon exists in many useful forms. Diamond, graphite, coal and charcoal are all carbon....
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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 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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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...
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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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Bottled Water: The True Cost
What is the expense, and environmental cost, of bottling water when tap water is freely available? Earth Science - Earth's Resources - Learning Points. Bottled water is up to 10,000 times more expensive than tap water. Bottled water has...
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Palm Oil: Biofuel of the Future?
Explore whether the production of palm-oil biodiesel is sustainable. Do the positive impacts for farmers and consumers outweigh the negative impacts on the rainforest environment? Earth Science - Earth's Resources - Learning Points. Palm...
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The Carbon Family - Carbon Footprint
Welcome to the home of the Carbon family. Discover how much carbon they - and many average families - use every single year. Human Geography - A Changing World - Learning Points. 50% of CO2 produced by humans comes from...
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Carbon Capture: Phytoplankton
Phytoplankon - microscopic marine plants - could help prevent global warming. How would they do this? And is it right for man to interfere with nature in a bid to save the planet? Human Geography - A Changing World - Learning Points....
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The Future Carbon Family
What changes can the Carbon Family make in daily life to substantially decrease their carbon footprint? Everyday changes that could make the world of difference to our planet's climate. Human Geography - A Changing World - Learning...
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Nanotechnology: What is It?
Still in its early stages, nanotechnology has the potential to change our world. What is it and how could it be used in the future? Chemistry - Atoms And Bonding - Learning Points. Nanotechnology is engineering on the smallest scale....
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Food Basics: Proteins
Proteins are at the root of virtually all bodily functions, from growth to metabolism to transporting oxygen around the body. Learn how your body makes or ingests all the protein you need. Chemistry - Chemical Industries - Learning...
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Smoking: The Damage
Find out more about the range of toxins in cigarettes and the serious damage they can cause to smoker's lungs. Biology - Human Body - Learning Points. Cigarette smoke damages the lungs. The chemicals in cigarettes irritate the lung...
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Esters and Perfumes
Esters occur in nature and have been harnessed by the perfume industry. What are esters and how are they made and used? Chemistry - Chemical Industries - Learning Points. Esters give many fruits their scents, including bananas, lavender...
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Carbon: Buckminsterfullerene
Discovered in 1985, Buckminsterfullerene has some fascinating characteristics. What is it and how is it shaping the future of chemistry? Chemistry - Atoms And Bonding - Learning Points. In the 1980s, a new carbon allotraope was found -...