The pH scale measures the acidity or alkalinity of a solution.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

The interval between one sound and another that has double the frequency.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

What does this graph show? Information is gradually built up throughout the film to show not only why some information is vital to an accurate graph, but why lack or skewing of information can lead to misrepresentation. Maths -...

How big is our Universe? Travel from Earth through the Solar System, past our Galaxy, to the Universe beyond. Physics - Universe - Learning Points. The Universe is constantly expanding. The Universe is already billions of light years...

Explore the pH scale, and discover whether a solution is acidic, alkaline or neutral.
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Chemistry - Reactions - L
ea
rning Points.
/> A Twig FactPack Film.
Open a discussion on what has been already...

How small is an atom? Comparing the size and number of atoms in tiny objects.
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Chemistry - Atoms And Bonding - L
ea
rning Points.
/> A Twig FactPack Film.
Open a discussion on what has been already...

See how two simple mathematical principles allowed artists to create the feeling of space within two-dimensional paintings. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context...

Though the world's first model aircraft, a Spitfire, was built in a scale of 1:75, the resulting model would fit into the full-size equivalent more than 370,000 times over. Discover how scale is calculated in three dimensions. Maths -...

How fractions are used in music – and Pythagoras built a whole musical scale based on fractions! Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts...

How Maharaja Jai Singh used scale to build and enhance the accuracy of his giant astronomical sundials. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show...

Still in its early stages, nanotechnology has the potential to change our world. What is it and how could it be used in the future? Chemistry - Atoms And Bonding - Learning Points. Nanotechnology is engineering on the smallest scale....

An international team of archaeologists face a unique challenge to build a replica of the Pharaoh Queen's famous ship, based only on an ancient scale drawing. Maths - Space A Twig Math Film. Reinforce and extend the learning required by...

When the largest study ever asked whether humans could control machines with their minds, the results were surprising. But aside from study size, were these astounding results significant? Maths - Statistics And Probability A Twig Math...

How the ancient Greeks were able to use trigonometry to build the first aqueduct, tunnelling from two sides of a mountain to meet in the middle. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...

We use a sounding board called a sonometer to investigate how the pitch of sound changes when the length of wire being plucked changes. We change the position of a moveable bridge to change the length of the wire and discover that...

We use a drinking straw, some water and universal indicator to show that breathing out creates acid. Universal indicator is added to the water to show its pH value. When we blow into the water the indicator changes colour showing that...

From two dimensional maps, to satellite images from space: discover some of the many ways to explore the Earth and its physical and 'human' features. Human Geography - Orientation And Settlements - Learning Points. Maps have been used by...

True or false ... All maps are drawn to scale? <br<b<br/>r/>/>


People and p<br<b<br/>r/>/>laces - Mapping - What is a map?


A Twig Tidbit Film - True or False? The children have to determine if a statement is true or false.

A broad introduction maps and their purposes.
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People and places -Mapping -
W

hat is a map? />

Learning Po
i

nts
Cartographers make maps.


A map key explain
s

what the...

The Fermi Paradox refers to the apparent contradiction between the high probability of extraterrestrial life in the universe and the lack of evidence or contact with such civilizations. Named after physicist Enrico Fermi, the paradox...

This video explores the Fukushima nuclear disaster of 2011, triggered by Japan's most powerful earthquake and a devastating tsunami. Learn how natural forces overwhelmed the Fukushima Daiichi power plant, leading to reactor meltdowns,...

This video explores how maps have changed over time, from early inaccurate maps to today’s precise satellite imagery. Learn how old maps were shaped by limited knowledge and how modern technology, like satellite images and digital...

This video explains how to use map scales to measure distance and understand the relationship between map distance and real-world distance. Learn how different maps—ranging from a city block to the entire planet—use scales for...

In the brutal Battle of Eylau, Napoleon's forces faced off against the Russians in a bloody confrontation that left the battlefield littered with casualties but no clear victor. Despite desperate cavalry charges and fierce...