Curated Video
Oceans: Frozen Seas
At the Earth's poles, wildlife survives both under the sea, and on the icy surface above. Biology - Ecosystems - Learning Points. During the winter, both the Arctic and Southern Oceans are covered in a thick layer of ice. The two frozen...
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Evolution: The Evidence
When Darwin first proposed the theory of evolution by natural selection 150 years ago it was revolutionary. What scientific evidence supports this theory? Biology - Adaptation And Evolution - Learning Points. Since Darwin proposed his...
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How Did Fish Evolve?
Journey through the evolution of fish, from the first vertebrate to the fish species that would eventually evolve to crawl onto land. Biology - Animal Kingdom - Learning Points. The first fish was called Haikouichthys, and it evolved in...
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Omega-3: Healthy Fat?
The story of an extreme experiment which reversed scientific opinion on the health effects of omega-3 fatty acids. Chemistry - Chemical Industries - Learning Points. In 1979, Prof Sinclair conducted an extreme experiment to prove his...
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Oceans: Sunlight Zone
The ocean's surface is teeming with creatures that live in water but need sunlight to survive. Biology - Ecosystems - Learning Points. The sunlight zone is the area between 0m and 200m beneath the surface of the sea and is home to...
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Symbiosis
When individuals of different species live together in a close and long-term relationship. 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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Humans on Earth – Big reveal
What is it? ... These are fish farms! People and places - Human impact on the environment - Humans on Earth A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the...
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Animal groups
By looking for things that are the same, we can group animals! Living things - Animal kingdom - Grouping animals Learning Points We can put animals into groups by looking for similarities and differences. Vertebrates can be divided into...
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Whiskers
Seals and sea lions use whiskers to sense the world around them. Living things - Our senses - Touch Learning Points Seals and sea lions have a very acute sense of touch thanks to their whiskers, which help them to find food in the ocean....
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Coral reefs
Coral reefs are important for the health of the Earth’s oceans – find out about projects that are helping to save coral reefs. Our universe - Sharing our Earth - Looking after Earth Learning Points It is important to look after the...
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Separation by filtration – Did you know?
Did you know that basking sharks use gill rakers, large combs in their mouths, to filter plankton from the seawater? Material processes - Separating mixtures - Separation by filtration Learning Points Basking sharks use filtration to...
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Why classify? – True or false
True or false ... All animals that live in the sea are classified as fish? Life processes - Variation and classification - Why classify? Learning Points Similar features can be found in visually different living things. A Twig Tidbit...
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Does it have fur?
In all parts of the world, many very diverse animals have one thing in common. Life processes - Variation and classification - Why classify? Learning Points Classification is grouping different living things together by their features. A...
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Classification keys – Spot the...
Four animals are shown ... but which are fish and which are not? Life processes - Variation and classification - Classification keys A Twig Tidbit Film - Spot the Difference. The children have to identify which objects belong in the group.
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Obtaining food – True or false
True or false ... Some whales use bubbles to obtain food? Life processes - Living things in their environments - Obtaining food Learning Points Some animals use specific techniques to obtain food. A Twig Tidbit Film - True or False? The...
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The respiratory system – Odd one out
Four sea creatures are shown, but which is the odd one out? Life processes - Body systems - The respiratory system A Twig Tidbit Film - Odd one out. The children have to work out which of four images is the odd one out.
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Overfishing
Find out why the Atlantic bluefin tuna is facing extinction. People and places - Human impact on the environment - Overusing resources Learning Points Natural resources need to be managed carefully. Overfishing can lead to species...
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Streamlining
Discover how streamlining can reduce an object's air or water resistance. Physical processes -Force and motion - Reducing friction Learning Points Streamlining is the creation of a shape that reduces resistance and friction. Streamlining...
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What is a Balanced Diet?
Discover the key to a balanced diet. Life processes - Humans and other animals - Diet and exercise Learning Points A balanced diet contains all the nutrients the body needs. The body also needs protein, vitamins, carbohydrates, fats and...
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What is a Mammal? - Mammal Traits
Find out why we classify whales as mammals, not fish. Life processes - Variation and classification - Vertebrates Learning Points Mammals are one of the five types of vertebrates. Mammals give birth to live offspring, suckle their young...
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Vertebrates
Find out which groups of animals have backbones. Life processes - Variation and classification - Vertebrates Learning Points Vertebrates are animals with an internal backbone. Vertebrates can be divided into five groups with distinctive...
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Mudskippers
Meet the very unusual mudskipper fish – it can walk on land! Life processes - Living processes - Living things Learning Points All living things react to their environment. All living things reproduce. All living things need nutrition...
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Why do we classify?
How does classification work and why is it so important? Life processes - Variation and classification - Why classify? Learning Points Classification is grouping different living things together by their features. Some animals are not...
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Invertebrates
More common than you think ... but what exactly is an invertebrate? Life processes - Variation and classification - Invertebrates Learning Points Invertebrates are animals that have no backbone. Invertebrate groups are insects, arachnids...