Curated Video
Peristalsis
Wave-like muscle contractions, such as those used to move food through the digestive system. 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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Dark matter
Believed to make up most of our Universe, we cannot see dark matter, and nobody knows what it is. 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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Continental Drift
The theory that the continents are not fixed in place but move around the planet. 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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Antagonistic muscles
Opposing pairs of muscles that move the same bone in opposite directions. 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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Diffusion
The spread of particles from an area of high concentration to an area of low concentration. 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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Motion
Or, movement. In physics, motion is a change in position in space, over time. 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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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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Antibiotic resistance
The ability of bacteria to survive exposure to an antibiotic, often by producing a protein that disables or prevents transport of the antibiotic into the cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
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Subduction
The process that takes place when two tectonic plates collide together, and one is pushed under another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Brownian motion
The random movement of small, visible particles suspended in a liquid or gas, when viewed under a microscope. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Doppler Shift: Frequency and Motion
A change in the observed frequency of a wave when it is emitted from a moving object and observed from a stationary point, or vice versa. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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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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Plate boundary
Boundaries where the Earth's tectonic plates meet, where crust can be made, destroyed, and deformed as adjacent plates move. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Factpack: Redshift
Discover how different wavelengths allow scientists to measure the distance to the stars. Physics - Universe - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention...
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Refraction
The change in direction of a wave caused by its change in velocity, as it moves from one medium into another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Motor effect
The force experienced by a current-carrying wire when placed within a magnetic field. 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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Pangaea
The supercontinent that included all of Earth's land surface about 200-300 million years ago. 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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Earthquake
A shaking of the Earth's surface due to a release of energy within the crust that generates seismic waves. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Migration
The movement of organisms from one place to another at certain times of the year, or at certain points in their life cycle. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Coastal Processes
A closer look at the three key processes that shape our coasts. What are they and what effects do they have? Earth Science - Geology - Learning Points. Our coastlines are constantly being re-shaped by three key processes. Erosion -...
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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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Marine Renewables
Wave and tidal power are a developing form of renewable energy. How do they work and what makes them desirable alternatives to other forms of renewable energy? Earth Science - Earth's Resources - Learning Points. The Atlantic Ocean and...
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How We Balance: Part 1
It can take years before our limbs and brain work together well enough to achieve good balance. What role do our ears play in helping us to meet this incredible challenge? Biology - Being Human - Learning Points. Our sense of balance is...
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Salt: Food Preservative
Salt was discovered thousands of years ago as a way of preserving food. How does it do this? And what else does salt preserve? Chemistry - Chemical Industries - Learning Points. Food rots because of bacteria and fungi. Salt is an...