Curated Video
Avogadro's constant
The number of particles in 1 mole of a substance, which is 6.022 times 10 to the power of 23. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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How Do Mobile Phones Work?
Microwaves are not only used to heat food. Mobile phones utilise this type of electromagnetic radiation, allowing us to communicate over large distances. Physics - Waves - Learning Points. Mobile phones work by converting the sound into...
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Why is the Sky Blue? - Sky Color Explained
The atmospheric composition of the sky affects the colours we see. From blue horizons to red sunsets, why do we see colours the way we do? Physics - Our Solar System - Learning Points. Light is made up of different wavelengths. Our...
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Burps and Farts
A look at the biological functions that produce burps and farts. Biology - Human Body - Learning Points. Burps are caused when swallowed air forces open the stomach sphincter and travels up the oesophagus. Farts are caused when swallowed...
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Factpack: Amazing Migrations
Discover the reasons animals and tiny insects travel vast distances each year. Biology - Ecosystems - 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...
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Straight Lines: Bee Lines
Why do bees fly in straight lines, and why does man now copy nature? Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.
Curated Video
Why Do I Get Travel Sick?
Your body can get confused by different incoming signals. A look at how the ears, eyes, organs and muscles combine to detect motion, and what happens when they're out of sync. Biology - Being Human - Learning Points. Our brain relies on...
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Time Travel
Is it possible to travel through time? Do the laws of physics make it impossible? How could it be achieved? Physics - Waves - Learning Points. Although the science is theoretical, the laws of physics do not rule out time travel. Einstein...
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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...
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Echolocation: Dolphins
Dolphins use of sound as a navigational tool is essential to their survival. Discover how they produce these sounds and use them to learn about their environment. Physics - Waves - Learning Points. Dolphins, like most marine species, use...
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Radioactive Substances
What is radioactivity? Explore the difference between alpha, beta and gamma radiation and how their different properties can make them useful. Physics - Energy And Radioactivity - Learning Points. Radioactivity is the nuclear decay of...
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How Do Lasers Work?
Concentrated light can be incredibly powerful and useful. Learn how laser beams are produced by controlling how atoms emit photons of light. Physics - Waves - Learning Points. Lasers are photons of the same frequency going in the same...
Curated Video
The Electromagnetic Spectrum
The range of electromagnetic radiation in the electromagnetic spectrum is huge. Where does this radiation come from and how do the frequencies and wavelengths vary? Physics - Waves - Learning Points. Electromagnetic radiation is all...
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Large Intestine
The final chapter in the journey of food through our digestive system: how bacteria transforms undigested matter into waste. Biology - Human Body - Learning Points. The large intestine is around 1.5m long and 6-7cm wide. The large...
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Friction in Curling
Forces play a huge role in the sport of curling. Discover how curlers manipulate friction as they compete. Physics - Forces - Learning Points. Friction plays an important part in sports, including curling. Curlers use the power of...
Curated Video
The Future Carbon Family
What changes can the Carbon Family make in daily life to substantially decrease their carbon footprint? Everyday changes that could make the world of difference to our planet's climate. Human Geography - A Changing World - Learning...
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Speed of Sound
Sound waves move through different mediums at different speeds, but why is this? What factors affect the speed of sound? Physics - Waves - Learning Points. Speed of sound depends on many different factors. Temperature, elasticity and...
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What is Sound?
Sounds can vary greatly: extremely quiet or deafeningly loud, high and shrill to low and booming. Why are they so different? Physics - Waves - Learning Points. Sound is a vibration passed to and fro along particles forming a wave. It can...
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Momentum
Explore the reasons why objects can keep moving on their own, and why most of them will eventually stop. Physics - Forces - Learning Points. Momentum is how we quantify a moving object. Outside forces affect momentum. Momentum is...
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Ingenhousz's Heat Conductors
We use a metal box holding rods of different materials to test their ability to conduct heat. The box is filled with boiling water and a paperclip is attached to the end of each rod using petroleum jelly. As the heat moves through the...
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Felt Tip Chromatography
We use chromatography to see what colours make up the ink in different coloured felt tip pens. Different coloured dots are drawn on a piece of chromatography paper and this is lowered into a chromatography jar containing water. We watch...
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Bell in a Vacuum
We look at how a vacuum affects how sound travels. An alarm is set off and placed under a bell jar. The air is removed from the jar to create a vacuum. We can still see the hammer of the alarm clock moving, but cannot hear the sound....
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Mass Tourism: Case Study
Tourism is now a major industry in Thailand due to its rich culture and exotic climate. However, mass tourism puts extraordinary pressure on local resources and creates problems of overcrowding and pollution. How can Thailand manage...
Curated Video
Radio waves
The lowest frequency range of electromagnetic radiation, with wavelengths from millimetres to many kilometres. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...