Curated Video
What is a Light Year?
When we look at distant stars, we are looking back in time. What is a light year, how is it measured and why do we measure distance in terms of time? Physics - Universe - Learning Points. Light travels through space at 300 million metres...
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Factpack: Horsepower
What is a horsepower? How many horses would it take to power your car? Physics - Energy And Radioactivity - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at...
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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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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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Echolocation
A technique used by some animals to locate the position of objects around them, by producing sounds and listening to their echoes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Displacement
The shortest distance between an object's start point and end 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...
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Light year (ly)
The distance travelled by light in a vacuum in a year, equal to about 9.5 trillion kilometres. 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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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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Venus
Where does Venus fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Venus is Earth's closest neighbour. Venus is the hottest planet in our Solar System. Venus spins in the opposite...
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What is GPS? - Satellite Navigation
GPS satellites pin-point locations on Earth. How has this technology enhanced our lives, from military systems to social applications? Physics - Universe - Learning Points. GPS stands for Global Positioning System. GPS uses 24 satellites...
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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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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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Moon Measuring
The ingenious system to measure the distance to the Moon involving Apollo astronauts, lasers and a unique mirror system planted on the lunar surface. Physics - Our Solar System - Learning Points. In 1969, the Apollo 11 astronauts left an...
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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.
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Scale of the Universe
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...
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Saturn
Where does Saturn fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Saturn is the 6th planet from the Sun. Saturn has such a low density that it would float on water. There are...
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Mars
Where does Mars fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Mars is the 4th planet from the Sun. Olympus Mons on Mars is the tallest mountain in the Solar System. Rovers have...
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Neptune
Where does Neptune fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Neptune is the 8th planet from the Sun. It takes Neptune 165 Earth years to orbit the Sun. Neptune has the...
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How Long is a Metre?
The evolution of standard measurements from body parts to precise, universal measures. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in...
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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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Why Do We Count in Tens?
Find out why our metric system is based on the number ten. Is it the best number to count on? Or could the reason be more biological than mathematical? Maths - Number A Twig Math Film. Reinforce and extend the learning required by the...
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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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Networks: Labyrinths and Mazes
Find out how labyrinths and mazes are created, and how to navigate your way through each. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract concepts in action in...