HumanitiesAcademiaSTEMSocial SciencesAgriculture & Farming
  • This guide will teach you how to estimate the classification of a soil and how to describe its characteristics, based on the Unified Soil Classification System. It is intended for use in construction materials testing but can be useful for anyone who works with soil.

    Visual-Manual Soil Classification and Description

    Visual-Manual Soil Classification and Description

    by Melissa Clason0

  • Scientific use of the term "super" is rather rare, as it tends to be a superlative more often found in our common vernacular than in the annals of science. Nonetheless, geologists have assigned a set value of parameters to define the monstrous geologic events, better known as supervolcanoes.

    Supervolcanoes: Past, Present and Future

    Supervolcanoes: Past, Present and Future

    by Harry Nielsen0

  • This hub is solely written bearing in mind helping school kids with their assignments. I have written down briefly with illustrations where possible, what mountains are, how they are formed, the types of mountains and how you identify the different types of mountains. I hope you enjoy reading this, and it helps you with your requirements.

    Types and How Mountains are Formed – For kids

    Types and How Mountains are Formed – For kids

    by livingsta257

  • A landslide tsunami, also called a megatsunami, can be created when large amounts of earthen material slides into a body of water, creating a tsunami type wave. These waves can be much taller than a normal tsunami that usually occurs when an underwater earthquake shakes up the sea floor.

    Landslide Tsunamis: Are They Dangerous?

    Landslide Tsunamis: Are They Dangerous?

    by Harry Nielsen0

  • This article looks at ten sandy beaches of extraordinary colour, what they are composed of and how they are formed, with illustrations of all ten

    10 Beaches of Unusual Colour

    10 Beaches of Unusual Colour

    by Greensleeves Hubs16

  • Carbon Capture and Storage is a important tool that tackles climate change, provides energy security, creates jobs and economic prosperity. The types of CCS are described and the technology, capture, transportation and storage are all described. This stops greenhouse gases from polluting our skies.

    What Is Carbon Capture?

    What Is Carbon Capture?

    by Pamela Oglesby24

  • On August 27th 1883, after a long period of relative quiet, the Krakatoa volcano located between Java and Sumatra, roared to live. During the eruption, the island mountain blew itself apart, killing over 30,000 people in the process. Today, Krakatoa is back, but in a much smaller way.

    Krakatoa, the Monster Volcano

    Krakatoa, the Monster Volcano

    by Harry Nielsen0

  • Volcanoes occur where magma (molten rock) from deep inside the earth forces its way to the surface. The magma may erupt as red-hot lava, or may explode into clouds of ash and volcanic bombs. Volcanic activity also produces strange landscapes of gushing geysers, steamy lakes, and bubbling mud pools.

    Top 10 Interesting and Fun Facts About Volcanoes

    Top 10 Interesting and Fun Facts About Volcanoes

    by Amanda Littlejohn2

  • Ring of Fire is a common expression applied to a geographical area bordering the Pacific Ocean. Within this "Ring of Fire" earthquakes and volcanoes are more common than any other place on the planet.

    A Few Facts About the Ring of Fire

    A Few Facts About the Ring of Fire

    by Harry Nielsen10

  • At any point on the earth's surface, if you dig down far enough, you will come to rock. Rocks are the building blocks of the earth's crust. There are many different types of rock, and they are all composed of one or more minerals. This article explores 10 fascinating facts about rocks and minerals.

    Top 10 Interesting and Fun Facts About Rocks, Minerals, and Crystals

    Top 10 Interesting and Fun Facts About Rocks, Minerals, and Crystals

    by Amanda Littlejohn6

  • Where are the world's supervolcanoes? The Western United States, Italy, New Zealand, and Asia all contain volcanoes capable of catastrophic eruptions.

    Supervolcanoes Around the World

    Supervolcanoes Around the World

    by Leah Lefler66

  • The continents are the seven huge land masses that make up most of the earth's land surface. They are always on the move, shifted around by forces deep inside the earth. The concept of moving continents is known as "continental drift". The study of these movements is called "plate tectonics".

    Top 10 Interesting and Fun Facts About the Continents and Continental Drift

    Top 10 Interesting and Fun Facts About the Continents and Continental Drift

    by Amanda Littlejohn2

  • Fascinating facts and photos featuring the most common and some more unusual stones found along Lake Michigan's shorelines. Including various types of basalt, septarian brown stones, limestone, granite, gabbro, diorite, gneiss, schist, sandstone, silt stone, mud stone, geodes, chalcedony and agate.

    I Found a Rock on the Beach and Wondered

    I Found a Rock on the Beach and Wondered

    by Kathi16

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