SciShow
6 Gems and Minerals Much Rarer (and Cooler) Than Diamonds
No offense to that rock you may have on your finger, but these gems and minerals are so hard to find, they put most diamonds to shame.
Visual Learning Systems
Areas of Volcanic Activity
This video describes how volcanoes are often formed along tectonic plate boundaries, or over hotspots. The Ring of Fire is also illustrated.
Curated Video
What's the One Thing You Can Do To Survive a Tsunami?
While tsunamis happen all over the world, really big ones are rare. But, they can be truly devastating. And what’s more, the West Coast of North America is overdue for a subduction zone earthquake and tsunami that has the potential to be...
Curated Video
Transform boundary
Also called a conservative boundary, a region where two tectonic plates slide against each other. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Seafloor spreading
The spreading of the seafloor around mid-ocean ridges as new rock is formed in between two tectonic plates. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Lithosphere
The upper layers of the Earth, consisting of the crust and upper mantle, as opposed to the more fluid lower mantle and core. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Subduction
The process that takes place when two tectonic plates collide together, and one is pushed under another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
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...
Curated Video
Plate boundary
Boundaries where the Earth's tectonic plates meet, where crust can be made, destroyed, and deformed as adjacent plates move. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Earthquake
A shaking of the Earth's surface due to a release of energy within the crust that generates seismic waves. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
What is an Earthquake?
The earth below our feet is continually moving. How do changes underground lead to effects on the surface, and what happens to change these movements into devastating earthquakes? Earth Science - Geology - Learning Points. Movement of...
Curated Video
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...
Curated Video
Predicting Earthquakes
Where and when an earthquake will strike remains one of geology's greatest mysteries. Could modern science ever predict them? Earth Science - Geology - Learning Points. Where and when an earthquake will strike remains a mystery. Most...
Curated Video
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...
Curated Video
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...
Curated Video
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....
Curated Video
Fold Mountains: Formation
Where are fold mountain ranges found on our planet? And how do the movements of tectonic plates affect their growth? Earth Science - Geology - Learning Points. A Fold mountain forms over millions of years by a process called orogeny....
Curated Video
Living On the Edge
Cities near fault lines are at high risk of earthquakes. Can earthquakes be predicted, and how can these communities prepare for the worst? Earth Science - Geology - Learning Points. Cities near fault lines are at high risk of...
Curated Video
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...
Curated Video
The world's highest hospital
Venture to the world’s highest hospital, at Mount Everest's Base Camp. People and places - Physical geography - Mountains Learning Points There is less oxygen available to breathe at the top of a mountain. The Earth's crust is divided up...
Curated Video
Seashells on a mountain
Seashells are usually found on beaches. How have some ended up at the top of this mountain? People and places -Physical geography - Mountains Learning Points A mountain is an area of land that is significantly higher than the land around...
Wonderscape
The Formation of Earth and the Seven Continents
Discover how Earth formed over 4.6 billion years ago, from a cloud of dust and gas to a planet with continents. Learn about the process of continental drift and how it shaped the seven continents we know today. The 7 Continents part 1
Wonderscape
Bodies of Water by Land: Bays, Gulfs, and Coves
Learn about the unique features of bays, gulfs, and coves, and how their shapes and connections to land set them apart. Discover what makes a gulf's deep inlet different from a bay's wide opening and how coves provide sheltered spots...