Curated Video
Animal Senses
Animals share many of our senses, but can use them in very different ways. Snakes, bats and cheetahs have senses optimised for hunting and migrating in different environments. Biology - Being Human - Learning Points. Different sensory...
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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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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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Momentum
Explore the reasons why objects can keep moving on their own, and why most of them will eventually stop. Physics - Forces - Learning Points. Momentum is how we quantify a moving object. Outside forces affect momentum. Momentum is...
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Hero's Engine
We use a Hero's engine model to show how equal and opposite forces can cause propulsion. Two holes are pierced in a metal bottle and some water is added. This is suspended above a Bunsen burner, and as the water boils and leaves the...
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Asellus Blood Flow
We use a microscope to examine the blood flow in the open circulatory system of asellus aquaticus. We are able to see the haemolymph moving through its limbs in different directions. Biology - Human Body - Learning Points. Large...
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Dissection: Leg
We dissect and examine a frog's leg and muscles. The skin is removed and the leg is bent back and forth to see how pairs of antagonistic muscles work. Biology - Human Body - Learning Points. Muscles contract to cause movement. Muscles...
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Underwater Volcano
We create an underwater volcano by placing a conical flask of hot coloured water in a tank of cold water. The hot coloured water rises through the cold, demonstrating convection. Physics - Energy And Radioactivity - Learning Points....
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Fractions: Slow Motion
Discover how video creates movement from still images, and how 'frame rate' affects what we see. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract concepts in...
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Land Formations
Learn how our planet's landscapes, from mountains to hills, plateaus to plains, have been sculpted over millions of years by powerful geological forces. Earth Science - Geology - Learning Points. The planet's diverse landscape is shaped...
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Types of Weather: Wind
What is wind and what are localised winds? Find out about the global cycles which take winds right across the world. Earth Science - Weather - Learning Points. Wind begins with the difference in air pressure. Air moves from areas of high...
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Plate Tectonics
From volcanic eruptions to massive earthquakes to tidal waves, Earth's tectonic plates can be responsible for catastrophic natural disasters. Earth Science - Geology - Learning Points. The rising and falling of intense heat deep inside...
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Glaciers - Moving Ice Masses
Glaciers are a destructive force, moving slowly across landscapes, reshaping them as they go. Earth Science - Geology - Learning Points. Over three-quarters of Earth's fresh water is locked in frozen reservoirs, known as glaciers....
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Transpiration
The loss of water vapour from plants to the atmosphere. 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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Vibrations - Sound Creation
Sounds are made by tiny movements called vibrations. The world around us - Light and sound - Vibrations Learning Points Some sounds are loud and some sounds are quiet. Without a vibration there is no sound. A Twig Junior Film - Core...
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What is a solid?
What properties do solids, liquids and gases have? Material processes - Solids, liquids and gases - Solids Learning Points Solids have a fixed shape that can only be changed by external force. Solids have a fixed volume. The molecules in...
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Ball and socket joints
What do a baseball player's shoulder and a dolphin's flipper have in common? Life processes - Body systems - Joints and muscles Learning Points A joint is where two bones join together. Not all joints in the body move. A ball and socket...
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Where does wind come from?
Wind can be a powerful force, but what exactly is wind? Material processes - Solids, liquids and gases - Characteristics of air Learning Points Wind is air moving from an area of high pressure, to an area of low pressure. Humans use the...
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Adaptation - Survival Mechanisms
Discover the incredible ways in which animals and plants adapt to their environments. Life processes - Living things in their environments - Adaptation Learning Points Plants and animals adapt to their environment in order to survive....
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Snub-nosed monkey
Case study of the adaptations of this unique and fascinating monkey. Life processes - Living things in their environments - Adaptation Learning Points Plants and animals adapt to their environment in order to survive. A Twig Context...
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Living things
Some robots can be very lifelike but what makes something alive? Life processes - Living processes - Living things Learning Points All living things need nutrition and energy. All living things react to their environment, excrete waste...
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Non-renewable vs renewable
Investigate the pros and cons of non-renewable and renewable energy sources. People and places -Future of energy - Renewable and non-renewable energy sources Learning Points Non-renewable energy sources are those that will run out....
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Heat transfer
Investigate the ways in which heat can be transferred. Physical processes - Energy and energy transfer - Heat transfer Learning Points Conduction is the transfer of energy from one molecule to the next. Convection is the transfer of heat...
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Resonance in Chemistry: The Dance of Electrons
Resonance is a concept used to describe delocalization of electrons in a molecule across multiple atoms. In resonance structures, electrons are shared between atoms in ways that stabilize the molecule. This "electron dance" can lower the...