Coral reefs are very large marine structures made of calcium carbonate (CaCO3) secreted by tiny animals known as stony corals and other marine animals inhabiting the reef. A coral head consists of thousands of genetically identical tiny animals known as…
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The trophic level is the position, in a food chain, in which an organism is positioned. The term trophic derives from the Greek word “trophe” and refers to nourishment. In a food chain, a trophic level is illustrated by a…
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A rainbow is “an arch of colors formed in the sky in certain circumstances, caused by the refraction and dispersion of the sun’s light by rain or other water droplets in the atmosphere” according to dictionary.com. There are many different…
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Oceanography is a broad field of research that includes fields of study such as physics, chemistry, biology and geology. Oceanographers utilize their branch of specialization to study the oceans of the world, their biological diversity, chemical composition, structure and formation,…
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When it starts getting cooler outside, it is a good idea to begin preparing for winter weather and severe storms. The worst thing you can do is wait until cold weather hits to think about it. Make an emergency plan…
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Have you ever been to a place where the wind is so fierce that remaining on your feet took all your strength? If you have, you might have wondered where the windiest places on Earth are located. Many people think…
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Earth science comprises the scientific study of planet Earth. It involves the study of the sciences that deal with the formation, composition, distribution and changes occurring in the planet, including geology, oceanography, geochemistry, geophysics, meteorology, and a number of sub-disciplines….
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All gemstones are rare. That’s part of what makes them gemstones. However, some gemstones are much harder to find than others. Some gemstones can only be found in a small area. In some cases, a specific variant of a well-known…
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Paricutin is a volcano that emerged in a cornfield in the village of Paricutin, Mexico in 1943. The volcano grew to its full height in less than ten years from the time of its birth from a small fissure in…
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Obsidian is natural glass created by rapid cooling of molten rock, or magma, associated with volcanoes. This “chilling” prevents crystallization of the minerals that make up most other rocks formed by volcanic activity. As a result, obsidian does not have…
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