Curated Video
Centre of Gravity: Weight Balance Point
The point from which the whole weight of an object appears to act. 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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Magnify
To make an object or image appear larger than its actual size. 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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Black hole
An object in space with enough mass in a relatively small region of space that nothing can escape its gravity, not even light. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Velocity
The speed of an object in a particular direction. 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 abstract...
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Air resistance
The frictional force exerted on a moving object by air. 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 abstract...
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Rotation
Circular movement about an axis or a point. 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 abstract concepts and...
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Moon
A general name for a natural satellite of a planet, but also the specific name for Earth's only natural satellite. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Acceleration
The rate of change of velocity with time, measured in metres per second squared. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Buoyancy: The Forces That Determine Why Objects Float or Sink
Discover the forces at work underwater, which dictate why large boats float but small pebbles sink. Physics - Forces - Learning Points. The buoyant force is an upward-acting force determined by the weight of the displaced water. Ships...
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Resonance: How Sound Changes Across Different Mediums
Sounds can change as they move from one medium to another. Under the right circumstances the effect is surprising and extreme. Physics - Waves - Learning Points. Sound is a wave that is created by vibrating objects. Every object has a...
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Levers, Wheels, Pulleys
There are only six basic types of machine. Discover more about levers, wheels and pulleys: what are they and why are they useful? Physics - Forces - Learning Points. Archimedes designed simple machines to move and lift objects. The...
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Perspective: Parallax
Discover how parallax can be used to measure distances, and how early astronomers used it to find the distance of stars from Earth. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math...
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Centripetal Force: How Central Forces Cause Objects to Spin or Turn
What are central forces and how do they make objects spin or turn? Physics - Forces - Learning Points. A centripetal force makes an object follow a circular path. The moment of inertia is the resistance of an object when the speed of...
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The Satellite Story
What is a satellite, why are they important, and how have satellites changed our understanding of the Solar System? Physics - Universe - Learning Points. Any object orbiting a planet is called a satellite. Moons are examples of natural...
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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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Topology
How objects can be deformed to make different shapes without tearing, cutting or gluing. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action...
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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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Manipulating Light
When light hits something, a number of things can happen: it can be reflected, refracted, diffracted or absorbed. But what does this mean? Physics - Waves - Learning Points. Manipulation of light is vital to our survival. Light waves...
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What is Light? - Light Energy
We can see our surroundings because of light energy. Whether light waves are being emitting from a source or being reflected, this form of energy is vital to life on Earth. Physics - Waves - Learning Points. Light is an energy that...
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Terminal Velocity
If a skydiver jumps out of a plane, when will they stop accelerating? Competing physical forces hold the answer. Physics - Forces - Learning Points. Terminal velocity is the maximum constant velocity. Terminal velocity increases with...
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Friction
Friction can be friend or foe. What is friction, how does it affect our lives and how can we alter it? Physics - Forces - Learning Points. Friction is a resistive force between surfaces moving at different velocities. Friction is...
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Binary: The Alien Language
In the 1970s, launched aboard a space probe was what is considered one of the most important scientific diagrams ever created. If found by extraterrestrial life, the plaque explains details about the human race and where we are in the...
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The Beauty Formula
While it might seem that beauty is in the eye of the beholder, two universal factors transcend cultures. Discover how symmetry and proportion relate to our perception of attractiveness. Maths - Measurement A Twig Math Film. Reinforce and...
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Animal Senses
Animals share many of our senses, but can use them in very different ways. Snakes, bats and cheetahs have senses optimised for hunting and migrating in different environments. Biology - Being Human - Learning Points. Different sensory...