Curated Video
Factpack: How to Make a Human
Revealing the elements which make up the human body, and their relative abundance. Chemistry - Periodic Table - 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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Factpack: The Liver
The liver is the largest gland in the body. What is it, what does it do and just how can it regenerate? Biology - Human Body - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to...
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Atomic weight
The average mass of atoms of an element. 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 key...
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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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Hot Air Balloons
Hot air balloons rely on heat alone to keep them in the sky. How does this work? Physics - Energy And Radioactivity - Learning Points. Hot air rises in cool air because it is less dense. The hot air within a hot air balloon creates the...
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Pressure and Surface Area
Learn how surface area can affect the amount of pressure exerted, and why this is useful in life? Physics - Forces - Learning Points. Pressure is the amount of force acting on a set area. Pressure is measured in pascals. Pressure can be...
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Why is Fat So Hard to Shift?
Discover why fat is important to our bodies, how and why it is stored - and why getting rid of excess body fat is so much more difficult than gaining it in the first place. Biology - Healthy Living - Fat is stored by the body when you...
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How Do Animals Fly?
Biological evolution has allowed some animals to fly. Find out exactly how their wings work to achieve this. Physics - Forces - Learning Points. Flight occurs when the upward force is greater than the downward. Flight is explained by...
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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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Obesity - Global Health Issue
Over 500 million people suffer from obesity worldwide, posing a significant risk to health. Discover how a combination of fat rich diets and lack of exercise are at the root of the problem. Biology - Healthy Living - Learning Points....
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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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Alcohol: The Poison
Alcohol is a naturally occurring poison. What are the risks and health problems people can suffer from alcohol use or abuse? Biology - Healthy Living - Alcohol is a toxin and is produced by fermenting yeast. Alcohol damages both the...
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Galtür: The Perfect Storm
The worst avalanche in 40 years destroyed countless buildings and killed many people in this Austrian village, but it was factors 4,000 kilometres away that caused this disaster. Earth Science - Weather - Learning Points. Galtur is a...
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How Do Carb-Free Diets Work?
What would happen if we removed one of our three basic food groups? Discover how reducing your intake of carbohydrates and increasing protein can affect your body. Chemistry - Chemical Industries - Learning Points. A low-carbohydrate,...
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Centre of Gravity: Finding the Balance Point of Irregular Objects
We use a plumb line and hook to find the centre of gravity of an irregularly shaped piece of card. A hole is punched in the card and it is suspended from the hook. A plumb line is used to let us draw the vertical line under the hole on...
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Cartesian Diver
We make a Cartesian diver using a drinking straw and sticky tack. When the diver is placed in a sealed bottle of water it can be controlled by squeezing and releasing the bottle, which makes it rise and fall within the water. Physics -...
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Liquid Density
We compare the density of oil, salt water and fresh water using displacement tanks. Equally weighted measuring cylinders are placed into the three liquids and the amount of water displaced is collected for comparison. Physics - Forces -...
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Burning Bubbles
We investigate the properties of two types of gas bubbles: methane gas bubbles and bubbles of the gas we breathe out. The air-filled bubbles sink and we are unable to set them alight, while the methane bubbles float upwards and are...
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Introduction to the Brain
What does the brain look like and what does it actually do? What specific functions do the brain stem, cerebellum and cerebrum control? Biology - Being Human - Learning Points. The brain is the most complex object in the known Universe....
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What is Fitness?
Discover why fitness is not always obvious from appearance. Rather, it is a measurement of how well your body operates on a daily basis. Find out how BMI, heart rate and blood pressure indicate how fit you are. Biology - Healthy Living -...
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The Bends
The potentially deadly threat changes in pressure pose for divers. What happens when a diver experiences the bends, and how can they be saved? Physics - Forces - Learning Points. The Bends is decompression sickness, which affects divers...
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Avalanches
Whether they are slow slab avalanches or hurtling powder avalanches, these powerful snow slides can be extremely destructive and it can take as little as a weak snow layer to cause them. Earth Science - Weather - Learning Points....
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An Ancient Olympian
What the discovery of a skeleton over 2,000 years old tells us about the training techniques of ancient olympians. Biology - Human Body - Learning Points. In 1959 the tomb of an ancient Olympian was discovered in Taranto, southern Italy....
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Arches
Discover how forces are applied through an arch, and why this makes it the perfect shape for architecture. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...