Curated Video
What Happens When I Crack My Knuckles?
Discover what is happening when you crack your knuckles. And for starters, your knuckles don't crack, they pop. Biology - Human Body - Learning Points. Your knuckles do not crack - they pop! The noise is the bursting of a gassy bubble,...
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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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Factpack: Pregnancy Timeline
See what's happening during different stages of pregnancy, as the baby changes from conception to birth. Biology - Being Human - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use...
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Factpack: G-Force
Chart G-Force up the scale, from standing still to the greatest G-force ever. Physics - Forces - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start...
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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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Discovery of Phosphorus
The story of Hennig Brand and how he discovered the element phosphorus by boiling buckets of urine. Discover why his experiments paved the way for the discovery of the modern chemical elements. Chemistry - Periodic Table - Learning...
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Fossil Evidence
Studying fossil evidence reveals how organisms have changed over time. What are fossils and how are they formed? Biology - Adaptation And Evolution - Learning Points. Fossil hunters are called paleontologists. Paleontologists study...
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Big Al
How scientists pieced together the life and death of an Allosaurus called "Big Al" by studying his bones. Biology - Adaptation And Evolution - Learning Points. Big Al is one of the most complete dinosaur skeletons ever discovered. His...
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How We Hear
How our ears hear different frequencies, and how they work with the brain to turn these into sounds which we understand. Biology - Being Human - Learning Points. Sounds are simply movements of air molecules. Our ears are extremely...
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Joints
An introduction to joint movements, including hinge, ball-and-socket and pivot joints. Biology - Human Body - Learning Points. There are three types of moveable, or synovial, joints within the skeleton. Hinge joints allow movement in one...
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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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Evolution of Man: The Evidence
Discover how fossils help scientists to piece together evolutionary changes in early man - and how one very special fossil in Africa led historians down an exciting new path. Biology - Adaptation And Evolution - Learning Points. Fossils...
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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...
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Life Cycle Nutrition
From newborn babies to the elderly, changes to our diet at are vital as our age progresses. Find out how different nutrients help our bodies function at different stages in life. Biology - Healthy Living - Our nutritional needs change as...
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An Ancient Olympian
What the discovery of a skeleton over 2,000 years old tells us about the training techniques of ancient olympians. Biology - Human Body - Learning Points. In 1959 the tomb of an ancient Olympian was discovered in Taranto, southern Italy....
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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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Octopus
An octopus can behave in extraordinary ways to avoid being eaten. Living things - Animal kingdom - Grouping animals Learning Points All animals are either vertebrates with a backbone or invertebrates without a backbone. The way animals...
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Skeleton
Your skeleton is made up of hundreds of bones and gives you your shape. Living things - My incredible body - My skeleton Learning Points All the bones in your body joined together are called your skeleton. A Twig Junior Film - Core...
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Muscles
Muscles allow the bones in your skeleton to move. Living things - My incredible body - My skeleton Learning Points Muscles allow the bones in your skeleton to move. A Twig Junior Film - Core science concepts explained in an easy way for...
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The Human Skeleton: Know Your Bones
The leg bones are said to be stronger than concrete. Do you know the names of the bones in your leg? Life processes - Body systems - The human skeleton Learning Points The bones of the leg are the femur, tibia, fibula and kneecap. The...
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The human skeleton – Odd one out
Four bones belonging to the human skeleton are shown, but which is the odd one out? Life processes - Body systems - The human skeleton Learning Points Humans and giraffes both have seven neck vertebrae. A Twig Tidbit Film - Odd one out....
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Ball and socket joints
What do a baseball player's shoulder and a dolphin's flipper have in common? Life processes - Body systems - Joints and muscles Learning Points A joint is where two bones join together. Not all joints in the body move. A ball and socket...
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Journey through the ear
Journey through an ear to discover how we hear sound... Physical processes - Sound - How do we hear? Learning Points The eardrum transmits vibrations to the ossicles. The cochlea sends signals to the auditory nerve. The auditory nerve...
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Allosaurus
How fossilised bones have allowed palaeontologists to unlock the story of an Allosaurus' life. Life processes - Body systems - The human skeleton Learning Points The shape of bones can reveal habits and lifestyle of an organism. A Twig...