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The Standard Deviants explore minerals. Viewers will learn all the basics, starting with that burning question: What is a mineral? Next, The Standard Deviants discuss magma, igneous rocks, plutons, and intrusive rocks. Part of "The Rockin' World of Geology" series.
(Source: DCMP)
Do the continents move? In this segment, students learn the relationship between a molten core, plate tectonics, and continental drift. Part of the "Earth Science" series.
Hawaii is a state in motion, formed by magma-spewing volcanoes that turn into basalt. The native population of Hawaii considers hot lava an instrument of creation even if it destroys everything in its path. Viewers trace the ever-changing landscape of the Hawaiian Islands due to the active tectonic forces of the region.
Through descriptions of actual volcanic and earthquake occurrences, students will discover how these dynamic forces affect the world. This video discusses the nature and causes of earthquakes and volcanoes. Other topics covered include molten rock, magma, lava, cinder cone, shield volcano, composite volcano, caldera, Ring of Fire, seismic waves, seismograph, and Richter scale.
As shown on the History Channel. In the remote wastes of Siberia buried under snow are the remains of one of the greatest catastrophes that the Earth has endured. 250 million years ago, huge volumes of lava spewed out onto the surface--so much that it would have buried the whole of Texas under one mile of lava. At first the temperature dipped but then the greenhouse gases that escaped from the depressurized lava caused a massive global warming. It wreaked havoc, and 95% of the species on Earth became extinct. Yet life hung on and in time this disaster paved the way for the next phase of life on earth--the age of the dinosaurs.
Highlights the origins, characteristics, and uses of many kinds of igneous and metamorphic rocks, noting their differences. Concludes with a quiz.
Students examine the rock cycle. The major characteristics of igneous, sedimentary, and metamorphic rocks are highlighted through vivid footage and colorful animations. Important terminology includes rocks, granite, limestone, marble, shale, slate, molten rock, lava, magma, and sediments.
Learn the differences between sedimentary, metamorphic, and igneous rocks.
Volcanoes and earthquakes! Geysers and boiling mud! Natural forces like these have been working for millions of years, changing the surface of the earth. Examines the layers of earth, a history of continental drift, plate tectonics, and other phenomena at work on our planet.
Geophysicist Emilie Hooft describes her work and the important role physics plays in understanding volcanoes. She also reveals how data helps create the images of magma structures beneath volcanoes. Part of the “EarthScope Chronicles” series.
The Standard Deviants explore volcanoes and what causes them to erupt. They also discuss lava, pyroclastic materials, and the Ring of Fire. Then, it's time for a discussion on weathering. Part of "The Rockin' World of Geology" series.
As shown on the History Channel. Over 20 years ago, Mount St. Helen's--thought to be dormant--shocked America when it exploded. It is an acidic volcano--the magma beneath is full of volatiles making it highly explosive. A new plug has formed in its throat and is rising. When it blows, it will be like uncorking a champagne bottle, releasing pressure below and allowing dissolved gases to escape and explode. The question is, When will it blow again?
As shown on the History Channel. Mount Vesuvius is the world's most dangerous volcano, and it threatens three million people. It was responsible for the most famous natural disaster of ancient history, the eruption that destroyed the Roman city of Pompeii. And its most recent blast was caught on film in 1944. Today Vesuvius is the most densely populated volcano in the world. Now recent scientific discoveries show that it is capable of an eruption larger than ever before thought possible and that hidden beneath Vesuvius there is a vast magma chamber of boiling hot rock, ready to come out.
Volcanic ash is known to present hazards to aviation, infrastructure, agriculture, and human and animal health. Airborne ash coats the exteriors of aircraft, enters modern jet engines and melts while coating the interior parts thus causing damage and failure. With support from the National Science Foundation, Volcanologist Dork Sahagian and his colleagues are learning more about the aerodynamic properties of ash, and how long different sizes and shapes stay in the atmosphere. They use a wind tunnel to study how ash travels in the atmosphere during and after volcanic eruptions. They want to develop ways to predict when and for how long damaging ash will fill the skies, and when it’s safe to fly again.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, night falls and Moko, having followed the footprints in the snow, reaches the seemingly uninhabited village. He notices a young boy by a shrub who is cutting firewood. He introduces himself as Alarick and invites Moko into his home. Along the way, they hear a great rumbling sound that startles them, like the breath of a monster. Moko wants to go to the source of the noise, thinking it is the reason for the villagers' hiding. Alarick then leads him to the back of the village where he shows him a geyser and a pool of hot water. Moko thinks that Alarick must know a great deal of secrets about this new land and decides to stay a while, the end of the world can wait for now.
