Curated Video
Gradients: Fold Mountains
Discover how the steep gradients of fold mountains are created from parallel flats, as angles build by degrees. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...
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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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Salt: Food Preservative
Salt was discovered thousands of years ago as a way of preserving food. How does it do this? And what else does salt preserve? Chemistry - Chemical Industries - Learning Points. Food rots because of bacteria and fungi. Salt is an...
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Marbled Salamanders
Why the female marbled salamander must abandon her eggs in order to survive. Biology - Animal Kingdom - Learning Points. Unlike most salamanders, the marbled salamander reproduces entirely on land. The male drops sperm onto the ground...
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Oak Life Cycle
Just one in every 10,000 acorns will grow into a mature tree. Discover the epic life of one oak, from seed to ancient adulthood. Biology - Plants - Learning Points. The oak tree has a lifespan of over 1000 years. It produces thousands of...
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Asexual Reproduction in Plants
Some plants don't need both a male and female to reproduce - they can do it alone. Which plants can do this and how do they manage it? Biology - Plants - Learning Points. Plants use a variety of methods to reproduce. Methods include...
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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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Root Hairs
Find out how remarkable adaptations allow the spinifex plant to thrive in the desert. Biology - Plants - Learning Points. Root hairs are specially adapted to suit their role. Root hairs increase the surface area of the roots for...
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Algae: Diverse and Vital Organisms of Our Ecosystems
Discover the amazingly diverse world of algae. These species come in all shapes and sizes, and are one of the most important groups of organisms on our planet. Biology - Ecosystems - Learning Points. Algae produce more oxygen than all...
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Tumours: The Kill or Cure Virus
The story of a pioneering treatment that is attempting to use a simple virus to combat the growth - and devastating effects - of brain tumours. Biology - Cells And DNA - Learning Points. Some tumours are inoperable and cannot be treated...
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Fair Trade
Find out the principles underlying some of the most prominent Fair Trade schemes and how these can redress unequal relationships between small producers and global buyers. Human Geography - A Changing World - Learning Points. The...
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How to Make Fake Snow
Snow forms in the atmosphere as a result of water molecules attaching themselves to nuclei bacteria. But scientists have found ways to manipulate the freezing process of water and the production of these nuclei to create snow...
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Tropisms and Hormones
Discover the hormones that dictate whether a plant grows downwards with gravity, towards water and nutrients, or upwards towards light. Biology - Plants - Learning Points. Tropisms allow plants to seek out the best conditions for...
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Water as a Resource
As the global population increases, the supply of water doesn't. Explore how water is used, conserved and distributed, and why devastating water shortages threaten some communities. Earth Science - Earth's Resources - Learning Points....
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Brazil: Agricultural Revolution
With global food need increasing, but less new agricultural land available, progressive agricultural methods are needed to feed the world. See some of those methods in action in Brazil. Human Geography - A Changing World - In the last...
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Tropical Rainforests
Tropical rainforests are competitive environments where plants must compete for space and resources. But other dangers threaten the balance and future of these important habitats. Biology - Ecosystems - Learning Points. Tropical...
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Ecosystem Management: Tropical Rainforests
The Amazon rainforest is being cut down for resources and land at a rapid rate. Learn how alternative farming methods, incentives to cut carbon emissions and protected reserves are helping to conserve the rainforest from further harm....
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Sexual Reproduction in Plants
Discover the parts of plants necessary for reproduction, and the methods by which pollen is carried between flowers. Biology - Plants - Learning Points. Plants reproduce in various ways. Sexual reproduction occurs using male and female...
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Rural Settlements
Urbanisation moves a population from rural areas to cities. How is this changing the face of rural settlements over time? Human Geography - Orientation And Settlements - Learning Points. Urbanisation is the rapid increase in urban...
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Therapeutic Stem Cells
Stem cell therapy is a radical new treatment with the potential to restore eyesight and heal injuries. However, many object to its moral implications. Biology - Cells And DNA - Learning Points. Stem cells can repair or rebuild damaged...
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Deciduous Forests
Deciduous forests occur worldwide from Britain to China. Discover the dramatic seasonal changes that take place in these habitats, as well as the vast array of plant and animal life found within them. Biology - Ecosystems - Learning...
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Labord's Chameleon
Find out how a short lifecycle helps the Labord’s chameleon survive Madagascar’s dry season. Biology - Animal Kingdom - Learning Points. Around half of all species of chameleon live in Madagascar. The Labord's chameleon has the shortest...
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Growing Pains
Learn how bones change shape to form the adult skeleton, the problems this causes for growing teenagers, and how to ensure healthy bones for life. Biology - Being Human - Learning Points. Hormones released during puberty cause a rapid...
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Tomato farms
Visit the world's largest tomato farm. Our universe - Sharing our Earth - Food and water Learning Points Farms are places where food is grown. People and other animals need to share Earth’s resources. A Twig Junior Film - Core science...