Curated Video
Oil Spills - Environmental Impact
Offshore oil spills can lead to decades of ecological harm for marine life. How can we clean-up oil spills and limit damage to the environment? Earth Science - Human Impacts - Learning Points. Offshore oil spills float on the surface of...
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The Greenhouse Effect
Without the greenhouse effect, our planet would be too cold to inhabit, but it's currently a major cause of global warming. What is the greenhouse effect, and why is it such a conundrum? Earth Science - Human Impacts - Learning Points....
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What is a Volcano?
The cycle of lava as a destructive and constructive force, building the structure of volcanoes and powering their devastating impact. Earth Science - Geology - Learning Points. Volcanoes are landforms that occur along plate boundaries....
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Germs and Hygiene
Explore where germs are found, how they can affect us, and how basic hygiene can help us avoid becoming unwell. Biology - Healthy Living - Learning Points. Pathogens are microbes that cause disease. Good hygiene is the best way to limit...
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The Sardine Run
Witness the action at positive and negative altitudes as predators from above and below hunt millions of sardines off the coast of Africa. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum....
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Low-Level Clouds
How do the clouds closest to the Earth affect our weather? How are they formed and what do they look like? Earth Science - Weather - Learning Points. Temperature, humidity and air pressure produce ten different types of cloud. Those at...
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Place Like Home: Inside a Probe
Learn how scientists overcame huge challenges to land a probe on Saturn's moon, and why Titan is of special interest to life on Earth. Physics - Universe - Learning Points. The Cassini-Huygens probe took seven years to travel over 1...
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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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Mars: The Search for Water
We know that Mars once had a landscape with oceans and rivers, but what happened to it? Physics - Universe - Learning Points. Although Mars is a freezing dry world today, it is thought the planet was once like Earth. If liquid water once...
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Life in Hot Deserts
From camels to lizards, how animals and plants survive in some of the hottest and driest habitats on Earth - the hot deserts. Biology - Adaptation And Evolution - Learning Points. Organisms survive harsh environments by physical and...
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Water as a Resource
As the global population increases, the supply of water doesn't. Explore how water is used, conserved and distributed, and why devastating water shortages threaten some communities. Earth Science - Earth's Resources - Learning Points....
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Place Like Home: Life On a Moon
The discovery of Titan's atmosphere excited scientists, who believe it could hold the key to life on Earth. Physics - UniverseLearning Points. Titan is the only moon in the Solar System with a dense atmosphere. Titan's atmosphere is 98%...
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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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The Ozone Layer
The world has already faced a major global climate challenge: the hole in the ozone layer, discovered in 1985. Find out what ozone is, why it's important, and how the ozone hole is being repaired. Earth Science - Human Impacts - Learning...
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Capillary Action
Water is added to dry and bent matchsticks to let us see capillary action at work. The wood absorbs the water causing the matchsticks to straighten. Biology - Plants - Learning Points. Water is a polar molecule because the electrons are...
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Chemical Filtration
We look at how chemical filtration can be used to remove contaminants from water. Potassium permanganate is used as the contaminant. First, we try to remove it using physical filtration, with filter paper and a funnel. This does not...
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Cola Volcano
We add mints to diet cola in order to produce a fountain. When we add the mints to the diet cola, the porous surface of the mint causes the carbon dioxide trapped within the drink to be released rapidly, resulting in a cola volcano....
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Smashing Eggs
We use eggs to show how different rates of deceleration affect the outcome of collisions. One egg is dropped onto a hard surface and breaks. The second egg is dropped onto a soft surface and bounces, as the material slows its...
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How We Touch
How the four sensory receptors in our skin, which detect heat, cold, pain and pressure, help us to feel an object, and can even help us tell if we like something or not. Biology - Being Human - Learning Points. The skin contains millions...
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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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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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Geothermal Power
The heat at the centre of our planet could fulfil all of our energy needs. Find out how some are already utilising geothermal power. Earth Science - Earth's Resources - Learning Points. Geothermal power is obtained from heat within the...
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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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Mars: Under the Ice
Scientists have found microbes frozen deep in the Antarctic ice sheets, in conditions very similar to the red planet's surface. Could life exist on Mars, in suspended animation? Physics - Universe - Learning Points. In 2001, a frozen...