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Volcanes
Las erupciones volcánicas se originan debajo de la superficie de la Tierra
Twig - Nuestro universo - El planeta Tierra - ¿Qué hay dentro de la Tierra?
Claves de aprendizaje
Los volcanes son accidentes geográficos de la...
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Volcanes de las Galápagos
Descubre cómo las Islas Galápagos se formaron a partir de erupciones volcánicas.
Twig - Los procesos físicos - La Tierra y más allá - Las capas de la Tierra
Claves de aprendizaje
La lava es roca fundida que libera un volcán.
...
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Erupciones volcánicas
Los volcanes en erupción son un ejemplo cautivante de materiales que cambian de estado.
Twig - Los procesos de los materiales - Sólidos, líquidos y gases - Cambios de estado
Claves de aprendizaje
La roca derretida del subsuelo...
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Las capas de la Tierra
Viaja al centro de la Tierra.
Twig - Los procesos físicos - La Tierra y más allá - Las capas de la Tierra
Claves de aprendizaje
La Tierra tiene cuatro capas.
La corteza se divide en placas.
El manto es la capa más gruesa.
...
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Tipos de roca
Descubre cómo pueden clasificarse los diferentes tipos de rocas según cómo se forman.
Twig - Los procesos de los materiales - Clasificación de los materiales - Rocas
Claves de aprendizaje
Existen tres tipos diferentes de rocas...
Astrum
The Crater on Mercury That Defied Conventional Models: MESSENGER Images part 2
When something is as incredibly difficult to get to as Mercury, it is extremely tricky to study. Which is one of the reasons why in all of human history, there have only ever been 2 missions to Mercury, with just one more on the way....
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Continental Drift
The theory that the continents are not fixed in place but move around the planet. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Caldera
A large cauldron-like volcanic feature, formed when a chamber full of magma empties and the ground above it collapses. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Hot spot
A fixed place within the mantle or oceanic lithosphere where rocks melt to generate magma. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Earthly Treasures: Diamonds
Formed deep within the Earth's mantle, diamonds are difficult to find. But it's not just their rarity that makes them so valuable - diamonds have some surprising industrial applications too. Earth Science - Geology - Learning Points....
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Predicting Volcanic Eruptions
Learn how scientists can predict volcanic activity using seismology to monitor lava patterns deep underground. Earth Science - Geology - Learning Points. Scientists use seismology to predict an eruption. A "long-period event" involves...
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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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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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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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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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Yellowstone: Supervolcano
The geothermal features of Yellowstone National Park are a clue to its deadly secret. It sits on a massive supervolcano. But why can't we see it and will it ever erupt? Earth Science - Geology - Learning Points. Yellowstone National Park...
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The Last Day of Pompeii
The people of Pompeii ignored the warning signals from nearby Mt. Vesuvius. When the volcano finally erupted, it devastated the entire city, encasing Pompeii in ash for nearly 1500 years. Earth Science - Geology - Learning Points. On 24...
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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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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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Igneous
Rocks that form by the cooling and solidification of magma or lava. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Extrusion
The process of magma coming to the surface, either in steady flows or violent eruptions, and cooling to form rocks. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Magma
Molten rock below the surface of the Earth. 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 concepts and...
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Basalt
A dark, fine-grained igneous rock that forms most of the Earth's crust. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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The Earth's layers – Big reveal
What is it? ... It's lava! Physical processes -The Earth and beyond - The Earth's layers A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.