Curated Video
Water table
The level below which the ground is completely saturated with water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Greenhouse gas
Any gas in the atmosphere that absorbs and re-emits radiation in the infra-red range, so warming the atmosphere and planet's surface. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Angle of incidence
When a ray or beam is reflected from a surface, the angle of incidence is the angle between the incident, or approaching, ray and a line perpendicular to the surface at this point. A Twig Science Glossary Film. Key scientific terms...
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Static Electricity: Surface Charge Buildup
The accumulation of electric charge, positive or negative, on the surface of an object. 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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Pressure
Pressure is defined as force per unit area, measured in newtons per square metre, or pascals. 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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Angle of reflection
When a ray or beam is reflected from a surface, the angle of reflection is the angle made between the reflected ray and a line perpendicular to the surface at the point of reflection. A Twig Science Glossary Film. Key scientific terms...
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Greenhouse effect
The effect caused by some atmospheric gases trapping heat close to a planet's surface. 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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Sunspot
Short-lived dark spots on the surface of the Sun. 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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Receptor
In living organisms, receptors are proteins, often found on the surface of a cell, which can bind to a specific signalling molecule or external stimulus, triggering a response. A Twig Science Glossary Film. Key scientific terms defined...
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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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Evaporation
The vaporisation of a liquid that takes place at its surface, as molecules with more energy change from a liquid to gas. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Crater
A bowl-shaped depression, usually circular, in the surface of a planet or moon. 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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Hot spot
A fixed place within the mantle or oceanic lithosphere where rocks melt to generate magma. 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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Weathering: The Breakdown of Rock by Physical and Chemical Processes
The breakdown of rock into smaller pieces by physical and chemical processes at the Earth's surface. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Surface tension
The cohesive force that occurs at the surface of a liquid, due to the attractive forces between molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Solar flare
A violent explosion on the surface of the Sun which affects all the layers of its atmosphere, heating plasma to tens of millions of degrees and releasing huge amounts of energy. A Twig Science Glossary Film. Key scientific terms defined...
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What is an Earthquake?
The earth below our feet is continually moving. How do changes underground lead to effects on the surface, and what happens to change these movements into devastating earthquakes? Earth Science - Geology - Learning Points. Movement of...
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Man On the Moon: Part 2
The extraordinary story of Apollo 11's lunar landing. What they found on the Moon and how they made it back to Earth. Physics - Our Solar System - Learning Points. Apollo 11 landed on the Moon on 20th July, 1969. The Apollo 11 astronauts...
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Cubist Art
How Cubist artists used geometry to represent a form in its purest way using geometric shapes such as the cone, cylinder and sphere. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
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Factpack: Superstorms
How hot and bright is a lightning strike? And what are your odds of being hit? Earth Science - Weather - 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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The Elements: Iron
Iron is crucial in many areas of life: it is found in our blood, as well as being used to build bridges. Chemistry - Periodic Table - Learning Points. Iron is one of the most common element on Earth. Iron is found in living organisms....
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Earth: Our Unique Planet
Where does Earth fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Earth is the third planet from the Sun. 71% of Earth is covered in liquid water, which is vital for life. Earth...
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How Are Mirrors Made?
The process of manufacturing lumps of glass into sophisticated mirror systems in the world's largest telescopes. Physics - Universe - Learning Points. Mirrors are made from glass, which is melted and spread over a base. Telescopes use...
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Factpack: Experience Friction
An interactive demonstration of how friction is created, and its effects. 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 of a...