Articles related to "Earth Science"



Book Review of Krakatoa, The Day the World Exploded August 27, 1883
A review of the book by Simon Winchester.
geology geophysics earth science earth science

Everything a geologist needs to be successful in the field.
Going into the field is not a simple undertaking. It takes time to prepare for a field trip, to plan and organize the trip, even if it's across town. The geologist must have the right tools and equipment. Read on to see what it takes to be a successful field geologist.
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Geology as a Career
Ever wondered what a geologist does? Check out a few of the career opportunities available to geologists.
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How to take good field notes.
The taking and recording of field notes is one of the most important things a geologist does when in the field. Without well written and well understood notes, further interpretation of the rocks being studied may not be possible.
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Introduction to Sedimentary Rocks
The most abundant type of rock on the Earth are the sedimentary rocks. Why is this so, and what are they?
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Investigate Earth Science
Ponder the forces that control the planet.
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It's in the Air
Where did life begin? Scientists have a new theory about cell development taking place in the atmosphere
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Sandstone Classification
Once we can describe a sandstone in the field we need to give it a name. Find out how to name a sandstone in three easy steps.
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Sandstones and Conglomerates
It takes a bit more than recognizing a rock is a sandstone to accurately describe it in the field.
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Science and the Gaian Hypothesis
a look at how pagan beliefs and modern science have meshed together, and how it is being utilised to educate our young
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Seafloor Spreading, Part 1
A revolution spread through the science of geology in the 1960’s and culminated in the theory of plate tectonics. The theory was supported by key research conducted in and under the world’s oceans that led to the idea of seafloor spreading.
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Seafloor Spreading, Part 2
The theory of seafloor spreading required many pieces of evidence to convince a highly skeptical audience. In the end Harry Hess and others found four primary keys that helped shape the theory.
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Sedimentary Rocks
The majority of the rocks that make up our world are sedimentary in nature. Learn about the different types of sedimentary rocks, the first stop in our understanding of the rock cycle.
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Strike and Dip
Strike and dip are important for identifying and orientating geologic structures in the field. Understanding what strike and dip are, and how to measure them in the field are important skills for a geologist to learn.
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The Rock Cycle
An understanding of geology requires us to learn how the rocks around us are formed. Learning how all the rocks we see are part of a larger cycle is the first step in understanding geology.
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Understanding Time and Rock Units in Geology
Geologists use three different units to help in their study of the history of the earth. Time units represent the continuous flow of time through geologic history, rock units represent the different lithologies found across the globe, and time-rock units represent all the rocks formed worldwide during a specific period of geologic time. This week we will examine these units and how they relate to each other.
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Weathering Part 1: Physical Weathering
What is the most destructive force in nature? Earthquakes, volcanoes, hurricanes, or the humble raindrop?
geology geophysics earth science earth science

Alice Wilson, 1st Female Geologist
Fascinated with science before girls were supposed to be, Alice Wilson overcame barriers and years of roadblocks to become one of Canada's leading earth scientists.
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The Search for Extraterrestrial Intelligence
SETI, or the Search for Extraterrestrial Intelligence, is the collective name for a number of on-going projects dedicated to the search for extraterrestrial life.
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Distribution of Earth's Water
Earth's water distribution science experiment to illustrate percentage of water available for human use.
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Earth's Interior Structure and Composition
Earth's interior structure includes the crust, mantle, inner core, and outer core. The crust and mantle are rocky. The inner and outer cores are metallic.
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Geology Year End Review
A look back on geology events of 2001.
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Google Earth and Global Warming Science Projects
Science projects can take advantage of Google Earth technology to develop studies over a period of months or years to determine the impact on the earth by humans.
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Green Family Living
Parents can help their children develop a love of the earth and a greater environmental awareness with simple habits and activities that have a lasting impact.
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Igneous Rock Identification (Advanced)
More detailed diagrams to help you in identifying igneous rocks.
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Make an Edible Model of the Earth
Here's the perfect chance to play with your food. Build this model of the earth's layers and then snack on it.
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Mars Close Approach
Mars made its closest approach to Earth in over 60,000 years last week. Why does Mars capture the attention of scientists and other people so much?
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Mineralogy 101: Crystal Systems
Nearly every mineral can be assigned to one of six different crystal systems.
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Mineralogy 101: Crystals
A look at the structure of crystals, and how this affects the types of minerals that are formed.
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Mudrocks
The most abundant type of rock on the Earth, but also the most difficult to classify. Learn about some simple ways to tell your claystone from your mudstone.
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Native Elements
Explore the world of the native elements. Their rarity and uses make them some of the most important minerals in the world.
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Natural Disasters and Investigating the Causes
Google Earth provides students with the opportunity to study natural disasters anywhere in world and they develop their own scientific investigations of these disasters.
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Oil Exploration Experiment for Kids
It's intuitive for children to wonder how things work and why things are in nature. Encouraging this type of curiosity can create future earth scientists.
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Outstanding Science Trade Books for 2009
A sample list of the best science trade books for K-12 science education is provided along with links to additional science book resources to support scientific literacy.
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Simple Geology/Rock Projects for Children
Every child loves to collect rocks, and parents can use this hobby as an educational tool teaching children basics of both art and science.
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Student Opportunities with NASA
NASA is getting ready to replace a generation of scientists who are headed for retirement. This research opportunity is geared towards recruiting a new generation.
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Visit the Museum of the Rockies
The next time you are in southern Montana, take an afternoon to visit Bozeman, and the Museum of the Rockies.
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Volcano Experiment for Kids
It's intuitive for children to wonder how things work and why things are in nature. Encouraging this type of curiosity can create future earth scientists.
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Weathering Part 2: Chemical Weathering
The agents of weathering are powerful forces, working to breakdown the rock around us. None of these agents are more powerful those that chemically affect the rocks.
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Winter’s Bounty while Winter Vanishes
We can often notice signs of season change far in advance. This article explores some of the concrete as well as subliminal sides of season change.
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Yellowstone National Park, Part 1
Yellowstone National Park is a product of its geology. Without the geological processes that shaped it, Yellowstone would be another mountain range.
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Yellowstone National Park, Part 3
More than volcanism has shaped the Yellowstone we see today. Ice, in the form of glaciers, has sculpted and carved the landscape to what we see today.
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Ask an Expert
The best sites on the web, for getting answers to those questions about life's little mysteries.
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Conodonts Clue to Sea Diversity
Conodonts - microscopic toothlike fossils - have demonstrated the link between the oceans cooling and the sudden expansion of marine life almost 500 million years ago.
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E. F. Schumaker Society, third in a ten-part series on Global Constructs
Non-profit organizations at the international level carry a lot of clout; the E. F. Schumacher Society promotes social and environmental sustainability through human-scale community and natural environmental economic structure. What is local currency?
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Evidence for Creation
The story of Creation is the most contested claim of the Holy Bible. Did God create the universe? Is Creation compatible with modern science?
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Make Anemometer
Make this science experiment the beginning of a weather station.
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Science Investigations Using Google Earth
Google Earth scientific data can be used to complete projects involving collecting data over time. This free program provides data not available to students in the past.
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Science News Article
Science News: A study by Jacobus Biesmeijer and William Kunin (Leeds University), showing declines in pollinators and insect-pollinated plants in Britain and Netherlands.
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Temperature affects evolution
About 38 million years ago, a mass extinction took place. Today scientists have pinned the blame on plummeting temperatures.
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