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Cell
The basic structural and functional unit of life. 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...
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Prokaryote
Organisms whose cells lack a nucleus and other membrane-bound structures. 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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Tissue
A collection of cells in an organism that have similar appearance, structure and function. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Monomer
A small molecule that can chemically bond in chains or groups to other similar molecules, to form larger molecules called polymers. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Subatomic particles
Particles that make up the structure of atoms, such as neutrons, protons and electrons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Giant covalent structure
A substance in which a large number of non-metal atoms are covalently bonded in a continuous network. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Vacuole
A fluid-filled compartment inside a cell, surrounded by a membrane. 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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DNA
Deoxyribonucleic Acid, the molecule that stores and passes on genetic information that determines how an organism develops and functions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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Chordate
Animals that at least at some stage in their development possess a stiff, rod-like structure running along their back, called a notochord. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
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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...
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Bones
Bones are living, growing tissues. What are they made of and how do they develop from young to old? Biology - Human Body - Learning Points. Bones support the body and protect vital organs. When you are born you have around 300 bones,...
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Marine Renewables
Wave and tidal power are a developing form of renewable energy. How do they work and what makes them desirable alternatives to other forms of renewable energy? Earth Science - Earth's Resources - Learning Points. The Atlantic Ocean and...
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Discovery of the Atom
The story of New Zealand scientist Ernest Rutherford, who revolutionised science by discovering the structure of the atom in 1908. Chemistry - Atoms And Bonding - Learning Points. In 1908, Ernest Rutherford conducted the gold leaf...
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Factpack: Structure of the Atom
The different ways scientists have explained the structure of the atom, and how it has changed throughout history. Chemistry - Atoms And Bonding - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt...
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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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Metallic Bonding
Metals can be strong and hard, or they can be flexible. It's the special behaviour of ions that give metals their different properties. Chemistry - Atoms And Bonding - Learning Points. Metal atoms bond together and create giant lattice...
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Lichen: Indicator Species
Lichens exist in extreme environments where other life struggles to survive. But these tough species cannot tolerate pollution, and reflect the health of ecosystems. Biology - Ecosystems - Learning Points. Lichens are organisms that can...
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How Did the Continents Form?
Explore the theory of Continental Drift: have the continents always been in the same place? And are they stationary now? Earth Science - Geology - Learning Points. 250 million years ago, most of the world's land mass was joined together....
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The Legacy of John Newlands
The story of chemist John Newlands and his theory of the "Law of Octaves" that related chemical elements to notes in the musical scale. Did the scientific community accept his unusual theory and does it hold up to the laws of modern...
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Clever Thumbs
Our thumbs are complex instruments; we need big brains to control them. Are they the reason behind the evolution of superior human intelligence? Biology - Human Body - Learning Points. The evolution of our hands and our large brains are...
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Parts of the Plant: Flowers
How do plants reproduce? How is pollen dispersed and how does it develop into a seed? Discover the vital role flowers play in plant reproduction. Biology - Plants - Learning Points. Flowers are the reproductive part of most plants. The...
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What is a Volcano?
The cycle of lava as a destructive and constructive force, building the structure of volcanoes and powering their devastating impact. Earth Science - Geology - Learning Points. Volcanoes are landforms that occur along plate boundaries....
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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...
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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,...