¿Qué es la radioactividad? Explora las diferencias entre las radiaciones alfa, beta y gamma y cómo podemos utilizar sus distintas propiedades.
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Twig - Física - Energía y Radiactividad - La radi
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tividad
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Introducción a las cuatro fuerzas fundamentales de la naturaleza: gravitatoria, electromagnética, nuclear débil y nuclear fuerte. Aprende por qué cada una de ellas es fundamental para la vida en la Tierra.
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Twig -...

Descubre qué ocurre cuando se dividen los átomos y por qué, dependiendo de cómo se controla ese proceso, las consecuencias pueden ser productivas o destructivas.
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Twig - Física - Energía y Radiactividad - La...

Investiga las ventajas y desventajas de las fuentes de energía renovables y no renovables.
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Twig - Humanos en la Tierra - El futuro de la energía - Fuentes renovables y no renovables d
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energía

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laves de...

Explora cómo funcionan las plantas de energía nuclear y qué sucede cuando los desechos radioactivos no se colocan en contenedores seguros.
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Twig - Humanos en la Tierra - El futuro de la energía - Fuentes d
e
energía
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We aren’t using nuclear fusion to generate power yet because it is incredibly difficult to sustain a fusion reaction. The energy requirements are very high, and it is hard to find materials that can withstand such high temperatures....

The joining together of two or more distinct parts to make a unified whole.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

Relating to the nucleus of an atom. The 'nuclear model' of the atom is one that describes a system of a nucleus surrounded by electrons.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60...

An insight into the different ways electricity can be generated. Which countries use renewable, or non-renewable, means?
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Physics - Electricity And Circuits - L
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rning Points.
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Discover the vital role uranium plays in nuclear technology. Chemistry - Periodic Table - Learning Points. Uranium was discovered in 1789. Uranium was named after the planet Uranus. Uranium is weakly radioactive. Uranium is important in...

Although radioactive materials are associated with power stations and bombs, we live with radioactive substances all around us. What are they, and do they affect us?
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Physics - Energy And Radioactivity - L
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rning...

What is radioactivity? Explore the difference between alpha, beta and gamma radiation and how their different properties can make them useful. Physics - Energy And Radioactivity - Learning Points. Radioactivity is the nuclear decay of...

When the Americans tried to detect radiation from Soviet bombs, they in fact discovered gamma ray bursts - radiation from deep space. Physics - Universe - Learning Points. During the Cold War, the US suspected the Soviets of testing...

How does land get polluted, and what with? Discover the quantities of waste deposited in landfills each year, and just how much could be recycled. Earth Science - Human Impacts - Learning Points. Landfills are holes in the ground where...

How is this powerful and controversial energy source produced? Do the advantages outweigh the dangers of nuclear power? Earth Science - Earth's Resources - Learning Points. Nuclear power is created using uranium, and small amounts can...

Find out what happens when an atom splits and why, depending on how this process is controlled, the consequences can be productive or destructive. Physics - Energy And Radioactivity - Learning Points. Nuclear fission creates energy by...

Introducing the four main forces of nature: gravity, electromagnetic force, weak and strong nuclear forces. Learn why they are fundamental to life on Earth. Physics - Forces - Learning Points. There are four fundamental forces of nature....

Discover the new technologies being developed to provide energy across the globe.
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People and places -Future of energy -
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nergy sources />

Learning Points
Most ener
g

y comes from...

Investigate the pros and cons of non-renewable and renewable energy sources.
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People and places -Future of energy - Renewable and non-renewable
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nergy sources />

Learning Points
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Explore how nuclear power stations work and what happens when radioactive waste is not contained safely.
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People and places - Future of energy -
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Learning Points
Nuclear...

Watch a visual similation and explanation of the key events leading up to the Chernobyl accident. Starting with the reactor operating at 50% power, this simulation demonstrates the subsequent reduction to 30% power for a safety...

Understand how the Chernobyl reactor melted down and triggered one of the biggest nuclear disasters in history. This unvoiced simulation of the events leading up to the disaster creates a visual explanation of what went wrong on a...

The Chernobyl disaster was the worst nuclear accident in history, caused by a series of critical mistakes during a safety test. This video explains the relevant nuclear physics, models the Chernobyl reactor, and demonstrates how...

Dr. Forrester explains the production of electricity and materials used to insulate and conduct it.