Curated Video
Allele
Alternative forms of a gene, which affect the expression of a particular trait, such as eye colour or blood type. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Factpack: Twins
Find out how twins can be different, and how this is determined at the time of conception. Biology - Cells And DNA - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab...
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Functional group
An atom or group of atoms within a compound that reacts in a characteristic way, giving molecules particular chemical properties. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Evolution - Gradual Species Change
The gradual change in living forms over successive generations, due to changes in inherited characteristics. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Theory
An explanation or model that is logical, testable and predictive. 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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What is a Fish?
Fish are by far the most diverse of all the vertebrate groups. Discover the shared characteristics that make a fish, a fish. Biology - Animal Kingdom - Learning Points. Fish are aquatic vertebrates. Jellyfish, starfish and other marine...
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What is a Mammal? - Mammal Characteristics
What is it about the way mammals are born, and reared, that makes them unique in the animal kingdom? Learn the major characteristics that make a mammal, a mammal. Biology - Animal Kingdom - Learning Points. Mammals are warm-blooded...
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Bizarre Adaptations
All animals develop specific characteristics in response to their environment, but some adaptations are more weird and wonderful than others. Biology - Adaptation And Evolution - Learning Points. Every animal species on the planet has...
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Adaptation - Survival Traits
Examples of physical and behavioural adaptations which allow plants and animals to survive in some of the most challenging habitats on Earth. Biology - Adaptation And Evolution - Learning Points. Animals and plants survive in diverse...
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Homo Ergaster
Homo ergaster had a huge brain and lived in complex social groups, but his evolution was stunted for a million years, until he discovered fire. Biology - Adaptation And Evolution - Learning Points. Homo ergaster evolved from homo habilis...
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Venn Diagrams: Global Habitats
Creating a Venn diagram to reveal the differences and surprising similarities between rainforest and desert environments. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films...
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What is a Reptile?
Discover the five distinct features that unite all reptiles and the characteristics that they share with mammals, birds and fish. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get...
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Planet Kevin
In the hunt for new planets, scientists look for stars that wobble. Astronomy student, Kevin, used this science to discover his own planet. Physics - Universe - Learning Points. Planet hunters use powerful telescopes to examine distant...
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What is a Bird?
Discover the characteristics common to the 9000 bird species living on Earth today. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes –...
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Inheritance: Part 2
If you inherit two copies of every gene, one from each parent, how do your cells know which version to use? Biology - Cells And DNA - Learning Points. Alleles, alternative forms of genes, can be dominant or recessive. Dominant alleles...
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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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Natural Selection - Survival Process
What is natural selection and how does it work? Life processes - Living things in their environments - Evolution Learning Points Genes are passed down from both parents to their young during reproduction. A mutation is a change in genes....
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Breeding silver foxes
In the 1960s, silver foxes were bred in Siberia as an experiment in behaviour. What did this experiment show? Life processes - Living processes - Reproduction Learning Points Acquired characteristics are a result of environment and...
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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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Acquired characteristics
You might be born with some characteristics, but there are others that have to be acquired. Life processes - Living processes - Reproduction Learning Points Acquired characteristics are a result of environment and lifestyle. Inherited...
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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...
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New arrival at the zoo
A mystery animal has arrived at the zoo. How do we decide where to house it? Life processes - Variation and classification - Classification keys Learning Points Classification keys can be used to identify an unknown animal. A Twig...
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Classification keys
To classify living things, you just need to ask the right questions. Life processes - Variation and classification - Classification keys Learning Points Classification keys can be used to identify an unknown animal. A classification key...
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Reproduction
Reproduction takes place in all living things, but what do we mean by reproduction? Life processes - Living processes - Reproduction Learning Points Reproduction is when living things produce young to ensure the survival of a species....