Curated Video
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...
Curated Video
Place Like Home: Cassini
The enormous challenge of building a probe capable of travelling over 1 billion kilometres to reach Saturn's moon, Titan. Physics - Universe - Learning Points. Huygens probe was designed by the European Space Agency at a cost of £400...
Curated Video
Deserts
Deserts are regions that receive very little precipitation each year, but how are they formed? The unique characteristics of the world's deserts, from hot to polar. Earth Science - Weather - Learning Points. Deserts are the driest...
Curated Video
Conservation
Why is conservation important? How can we conserve biodiversity and wildlife species? Biology - Ecosystems - Learning Points. Conservation helps prevent organisms and habitats being lost. Protection is the best approach to conservation,...
Curated Video
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...
Curated Video
Coastal Landforms
Coastal erosion produces beautiful beaches and some rather unusual land formations, from spits to stacks, mud flats to salt marshes. Earth Science - Geology - Learning Points. Cliffs are formed when destructive waves attack the bottom of...
Curated Video
Invading Animals: The Cane Toad
In the early 20th Century, the South American cane toad was introduced to Australia to eat beetles which were destroying the sugar crop. But once in the wild the toads did more harm than good. Biology - Ecosystems - Learning Points. The...
Curated Video
Deforestation
Discover how the destruction of the rainforest impacts ecosystems, and begins a cycle that contributes to global warming. Earth Science - Human Impacts - Learning Points. Forests are home to 70% of Earth's land animals and plants....
Curated Video
Savannah
Discover how animals have adapted to survive in the extreme climates of the savannah. Biology - Ecosystems - Learning Points. The savannah is one of the most dynamic habitats on the planet. Areas of savannah can be found to the north and...
Curated Video
What is an Amphibian?
An introduction to amphibian life. How do amphibians differ from other land vertebrates? And why they are still so dependent on water to survive? Biology - Animal Kingdom - Learning Points. Amphibians follow a two-stage life cycle: a...
Curated Video
Temperate Grassland
Meet the herds which inhabit the temperate grasslands - one of the most diverse habitats on Earth. Biology - Ecosystems - Learning Points. Grasslands make up one quarter of the Earth's land. Grasslands are found on every continent except...
Curated Video
Ordnance Survey Maps
Ordnance Survey has been creating maps for hundreds of years. How have their mapping methods changed since the first Ordnance Survey maps were made? Human Geography - Orientation And Settlements - Learning Points. The British Ordnance...
Curated Video
Extreme Living: The Frozen North
How the inhabitants of one of the coldest environments on the planet have adapted their lifestyle to survive. Human Geography - Orientation And Settlements - Learning Points. People native to northern Canada, Greenland, Alaska and...
Curated Video
How Did Amphibians Evolve?
Over millions of years, fish species evolved to leave water and survive on land, producing the characteristics shared by all amphibians. Biology - Animal Kingdom - Learning Points. The coelacanth is a lobe-finned fish that evolved 400...
Curated Video
Elephants
The lives of Asian and African elephants, from what they eat, to where they live, and what's threatening them. Biology - Animal Kingdom - Learning Points. There are two main species of elephant - African and Asian. African elephants are...
Curated Video
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....
Curated Video
Pollution: Land
How does land get polluted, and what with? Discover the quantities of waste deposited in landfills each year, and just how much could be recycled. Earth Science - Human Impacts - Learning Points. Landfills are holes in the ground where...
Curated Video
Mars: Dead Planet
Scientists hoped the first mission to Mars would reveal life on the red planet. What did the mission find? Physics - Universe - Learning Points. Percival Lowell believed there were canals and cities on Mars. In 1965, NASA probe Mariner 4...
Curated Video
How Did Mammals Evolve?
An introduction to the ‘mammal-like reptiles’ that walked the Earth millions of years before the dinosaurs – and from which all modern-day mammals would eventually evolve. Biology - Animal Kingdom - Learning Points. Early reptiles split...
Curated Video
Overpopulation
The global population is growing rapidly and soon the world could be overpopulated. Life as we know it could become unsustainable. What can we do to avoid this? Human Geography - A Changing World - Learning Points. There are over 7.5...
Curated Video
What is an Arthropod?
With over a million known species, arthropods are the most diverse group of animals on the planet. Find out more about their shared characteristics. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key...
Curated Video
Feeding the Planet
As the world's population grows, how will we cope with the increasing demand for food? What would happen in a food crisis, and what can be done to prevent one? Human Geography - A Changing World - Learning Points. As the population of...
Curated Video
Jai Singh
How Maharaja Jai Singh used scale to build and enhance the accuracy of his giant astronomical sundials. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show...
Curated Video
Scablands: Carved By Water
Over 15,000 years ago, a glacial dam broke, releasing 2,000 cubic kilometres of water across Washington State. Discover how it created the landscape we see today. Earth Science - Geology - Learning Points. Washington State's chaneled...