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The Winter 2010 issue of The Earth Scientist includes a variety of educational resources, ranging from astronomy to glaciers. Check out the other publications and classroom materials in our online store.
This is an image of the Earth, 240 M ago.
Image courtesy of the Wikipedia Commons

The Triassic

This period of time in Earth's history is a period when dinosaurs roamed the Earth. This period lasted 37 Million years. During this time, the continents we know today were combined into a giant continent named PANGAEA.

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Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, as well as books on science education!

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The History of Martian Volcanism

During its earliest history, Mars was bombarded with asteroid-like boulders leftover from the formation of Mars. The impacts of these boulders caused the surface of Mars to become warm enough for continents...more

The Archean

The Archean is the name of the age which began with the forming Earth. This period of Earth's history lasted a long time, 2.8 billion years! That is more than half the expected age of the Earth! And no...more

Salts in the Earth's early ocean

We all know that today ocean waters are very salty. Two things help scientists figure out what salt may have been part of the Earth's early oceans. Since there are very little sedimentary rocks of ages...more

The Triassic

This period of time in Earth's history is a period when dinosaurs roamed the Earth. This period lasted 37 Million years. During this time, the continents we know today were combined into a giant continent...more

Earth's Primordial Atmosphere

Scientists ask many questions. One of the questions they like to ask is "Where did the atmosphere come from?" As always, scientists chip in with many different, and sometimes conflicting answers. Some...more

Earth's Early Ocean

Once the Earth began to cool, water vapor, one of the volatiles, began to condense and form an ocean. According to the Goldilocks theory, Earth is at just the right distance from the sun for the temperature...more

Iron Ore Deposits

Eventually, photosynthesis by the earliest forms of plant life (a form of life capable of feeding itself instead of feeding off of others) began to produce significant amounts of oxygen. One important...more

K-T Extinction (Why Did the Dinosaurs Go Extinct?)

Why did the dinosaurs go extinct? No one knows for sure, and scientists have come up with a number of theories to explain why the dinosaurs suddenly died out about 65 million years ago. This extinction...more

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