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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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Topology
How objects can be deformed to make different shapes without tearing, cutting or gluing. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action...
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Place Like Home: Cassini
The enormous challenge of building a probe capable of travelling over 1 billion kilometres to reach Saturn's moon, Titan. Physics - Universe - Learning Points. Huygens probe was designed by the European Space Agency at a cost of £400...
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Venus 2: Surface
The first probe to successfully land on another planet arrived on Venus, where it found one of the most hostile atmospheres known to man. Physics - Our Solar System - Learning Points. In 1971, the Russians succeeded in landing the Venera...
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Submarine Communication
We have sent messages around the world and into space, but communicating underwater remains a challenge. How and why do radio waves allow us to talk to submarines? Physics - Waves - Learning Points. Salt water absorbs sound waves making...
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Carnivorous Plants
Not all plants exist simply on sunlight and water. Carnivorous plants eat meat. Discover how some of these carnivores trap and kill their prey. Biology - Plants - Learning Points. Some plants, often in harsh conditions, have adapted to...
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Oxidation Reactions
Why do we cook our food wrapped in aluminium foil? Why does metal rust? It all comes down to oxidation reactions. Discover what happens to cause these reactions, and how to stop them. Chemistry - ReactionsLearning Points. The combustion...
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How Hot Is the Earth's Core?
Unreachable by man, scientists have developed a complex experiment to demonstrate the heat and pressure at the centre of the Earth. Earth Science - Geology - Learning Points. The Earth's core is a dense ball of iron and nickel. To...
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Nobel Prize By Chance
What scientists believed was a technical fault with their equipment turned out to be radiation left over from the Big Bang - one of the greatest astronomical discoveries of the 20th century. Physics - Universe - Learning Points....
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Rock Types - Geological Formations
An explanation of the geological processes which lead to the formation of different types of rock. Earth Science - Geology - Learning Points. There are three types of rock: sedimentary, igneous and metamorphic. Sedimentary rock forms...
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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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The Water Cycle
All water on planet Earth is constantly cycled from the atmosphere, into reservoirs, and through plants and animals. The Earth's water has completed this cycle around 8 million times. Earth Science - Weather - Learning Points. Water on...
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Structure of the Earth
The land surface of the Earth accounts for 1% of its total volume. Travel from the core to Earth's surface, examining the layers that make up our planet. Earth Science - Geology - Learning Points. The Earth is made up of four layers. The...
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The Moon - Earth’s Natural Satellite
An introduction to the Earth's moon. What makes a moon a moon? Physics - Our Solar System - Learning Points. A moon is a natural satellite. Our Moon orbits the Earth roughly every 28 days. The Moon's glow is caused by the reflection of...
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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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How Did the Continents Form?
Explore the theory of Continental Drift: have the continents always been in the same place? And are they stationary now? Earth Science - Geology - Learning Points. 250 million years ago, most of the world's land mass was joined together....
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The Great Global Warming Debate: Part 1
Can we rely on thermometer readings alone as proof of global warming? Do satellite temperature readings lead to the same conclusions? Earth Science - Human Impacts - Learning Points. Small increases in average global temperatures have...
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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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The Big Chill
Melting icecaps are threatening one of the most important currents in the world, the Great Ocean Conveyor. If it stopped, it could have devastating impacts on our climate. Earth Science - Human Impacts - Learning Points. The Great Ocean...
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Rock Cycles
Rocks are constantly on the move. Eroded by water, sinking into the sea, and ejected by volcanoes, rocks have their very own cycle of existence. Earth Science - Geology - Learning Points. The rock cycle is the process of rocks weathering...
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Carbon Capture: Phytoplankton
Phytoplankon - microscopic marine plants - could help prevent global warming. How would they do this? And is it right for man to interfere with nature in a bid to save the planet? Human Geography - A Changing World - Learning Points....
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Mars: Dead Planet
Scientists hoped the first mission to Mars would reveal life on the red planet. What did the mission find? Physics - Universe - Learning Points. Percival Lowell believed there were canals and cities on Mars. In 1965, NASA probe Mariner 4...
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Root Hairs
Find out how remarkable adaptations allow the spinifex plant to thrive in the desert. Biology - Plants - Learning Points. Root hairs are specially adapted to suit their role. Root hairs increase the surface area of the roots for...
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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...