Curated Video
How We Learn
The human brain has a huge capacity to learn, but how does it do this? What is the best way to learn a new skill? Biology - Being Human - Learning Points. We absorb vast amounts of new information every day. Learning something new means...
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Time Travel
Is it possible to travel through time? Do the laws of physics make it impossible? How could it be achieved? Physics - Waves - Learning Points. Although the science is theoretical, the laws of physics do not rule out time travel. Einstein...
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Predicting Earthquakes
Where and when an earthquake will strike remains one of geology's greatest mysteries. Could modern science ever predict them? Earth Science - Geology - Learning Points. Where and when an earthquake will strike remains a mystery. Most...
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Changing States of Matter
Water can either be a solid, a liquid or a gas. How does matter change state? Chemistry - Atoms And Bonding - Learning Points. Ice, liquid water and steam all consist of exactly the same molecules. Evaporation occurs when the temperature...
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What is Electricity? - Energy Movement
What is electricity? How is it created, and what makes it useful? Physics - Electricity And Circuits - Learning Points. Electricity is a flow of charge. The flow of moving electrons is known as the electric current. Voltage is the amount...
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Manipulating Light
When light hits something, a number of things can happen: it can be reflected, refracted, diffracted or absorbed. But what does this mean? Physics - Waves - Learning Points. Manipulation of light is vital to our survival. Light waves...
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Solutions
Why and how do substances dissolve? Discover what happens when you create a solution. Chemistry - Atoms And Bonding - Learning Points. A solution is the mixture formed when a solid dissolves in a liquid. A solvent is a liquid that can...
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Electricity in Medicine
Discover how doctors use electricity in the human body to stimulate and suppress muscles - and save lives. Physics - Electricity And Circuits - Learning Points. Electricity is a useful tool in medicine and saves lives. An electric shock...
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Joints
An introduction to joint movements, including hinge, ball-and-socket and pivot joints. Biology - Human Body - Learning Points. There are three types of moveable, or synovial, joints within the skeleton. Hinge joints allow movement in one...
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Heart
The heart powers everything you do. It pumps without you thinking about it, and beats over a billion times in an average lifetime. But how does it work? Biology - Human Body - Learning Points. The heart is the hardest working muscle in...
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Forms of Energy
Energy comes in many forms. What are they, how do they differ and what can they be used for? Physics - Energy And Radioactivity - Learning Points. Energy is converted or transferred, but never lost. Energy is measured in joules (j)....
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The Electromagnetic Spectrum
The range of electromagnetic radiation in the electromagnetic spectrum is huge. Where does this radiation come from and how do the frequencies and wavelengths vary? Physics - Waves - Learning Points. Electromagnetic radiation is all...
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Hi-Fi Engineering
A demonstration of how hi-fi speakers use a clever combination of electronics and magnetism to convert electrical impulses into sound waves, which our brain then interprets as music. Physics - Electricity And Circuits - Learning Points....
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Coriolis Effect
What is the Coriolis effect? How is it produced and how does it affect our weather? Earth Science - Weather - Learning Points. The way wind blows determines thunderstorms to hurricanes. The Coriolis Effect is a deflection of moving mass...
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The Race for Absolute Zero: Laser Cooling
Lasers are usually associated with heat. But scientists have instead used them to reach the coldest temperature ever recorded. Could they reach absolute zero? Physics - Energy And Radioactivity - Learning Points. Absolute zero is...
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Jai Singh
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...
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Solids, Liquids and Gases
What is the difference between solids, liquids and gases? How does each state behave? Chemistry - Atoms And Bonding - Learning Points. The kinetic theory of matter states that particles are in constant motion and there are forces of...
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Fold Mountains: Formation
Where are fold mountain ranges found on our planet? And how do the movements of tectonic plates affect their growth? Earth Science - Geology - Learning Points. A Fold mountain forms over millions of years by a process called orogeny....
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Newton's Laws of Motion
Isaac Newton's Laws of Motion explain how and why objects move as they do - the principles which underlie all of modern mechanics. Physics - Forces - Learning Points. Sir Isaac Newton published his laws of motion in 1687. Every movement...
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Water Forces
The unique force created by hydrogen bonding gives water some unique properties, which seem to defy the laws of nature. Chemistry - Atoms And Bonding - Learning Points. Hydrogen bonding is a special force of attraction between water...
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Living On the Edge
Cities near fault lines are at high risk of earthquakes. Can earthquakes be predicted, and how can these communities prepare for the worst? Earth Science - Geology - Learning Points. Cities near fault lines are at high risk of...
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Decimals: Decimal Day
What happened when decimal currency was introduced in the UK. Why is decimalisation 'easier' to understand? Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract...
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Speed of Sound
Sound waves move through different mediums at different speeds, but why is this? What factors affect the speed of sound? Physics - Waves - Learning Points. Speed of sound depends on many different factors. Temperature, elasticity and...
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What is Sound?
Sounds can vary greatly: extremely quiet or deafeningly loud, high and shrill to low and booming. Why are they so different? Physics - Waves - Learning Points. Sound is a vibration passed to and fro along particles forming a wave. It can...