Chemistry • Element – pure substances that cannot be broken down into simpler substances. Made up of particles/atom of only one kind. Simplest pure substances. • Compounds – pure substances which contain two or more different elements. • Atom – smallest particle of an element. The smallest unit of an element that maintains the properties of that element. • Chemical Group – the set of elements in the same column of the periodic table. These elements have similar physical and chemical properties
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brainwashed children… Why bother with any of it when all you need is a very‚ very big rock?” (Yancey 203). In the survivors’ minds‚ like the meteor that is presumed to have killed off the dinosaurs‚ the Others’ attacks have proven to be just as deadly‚ but unnecessarily and insidiously planned. ☺ (Simile) Just as the dinosaurs inevitably died shortly after the meteor struck Earth‚ the Others’ have metaphorically sent the asteroid to Earth and it has made impact. All that the survivors can do is revel
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It most likely starts with a meteor‚ and that meteor turns off all technology. Everyone is worried about this‚ and it gets worse when Jason says that this event is just like Independence Day [blaming aliens]. But unlike the original‚ people shoot that idea down. Instead‚ Phyllis says terrorists
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99 Jumpstorts for Kids’ Science Research This page intentionally left blank 99 Jumpstorts for Kids’ Science Research Peggy J. Whitley and Susan Williams Goodwin Libraries U N L I M I T E D A Member of the Greenwood Publishing Group Westport‚ Connecticut • London Library of Congress Cataloging-in-Publication Data Whitley‚ Peggy. 99 j u m p s t a r t s for kids’ science research / by Peggy J . Whitley and S u s a n Williams Goodwin‚ p. cm. Includes bibliographical references
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its small gravity)‚ it has no substantial atmosphere. Its extremely thin atmosphere mostly consists of a small amount of helium and traces of sodium‚ potassium‚ and oxygen. These gases derive from the solar wind‚ radioactive decay‚ meteor impacts‚ and breakdown of Mercury’s crust. Mercury’s atmosphere is not stable and is constantly being refreshed because of its atoms escaping into space as a result of the planet’s heat. The earths atmosphere compared to mercury is much MUCH better in terms of protection
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nevertheless an extremely successful contemporary piece evoking all kinds of emotions depending on the viewer’s beliefs and values. Contrary to religious ideals‚ Cattelan’s La Nona Ora describes Christianity in a way that can be proven false. The meteor‚ a scientific inscription‚ offers a cold‚ objective representation‚ which triggers passion and frustration due to the fact we will never be able to make a conclusion about our existence. Is there a creator? Are we on our own? The human fabricator
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3.05 Fireside Poets 1. What metaphors does Holmes use to describe the ship in stanzas one and two of "Old Ironsides"?In the first stanza he says‚ "The meteor of the ocean air‚" which is likening the ships flag as a meteor. In stanza two he refers to the ship as an eagle of the sea to describe how magnificent the ship is on the water. 2. In 1830‚ the 44-gun American warship Constitution‚ the inspiration for "Old Ironsides‚" was scheduled to be scrapped - that is‚ stripped of everything valuable
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Luis (1911-88) and Walter Alvarez (1940- ) discovered in the geological record‚ a distinct layer of iridium (an element found in abundance only in space) that corresponds to the precise time the dinosaurs died. This suggests that a comet‚ asteroid or meteor impact event may have caused the extinction of the dinosaurs. In the 1990s‚ scientists located the massive Chicxulub Crater at the tip of Mexico’s Yucatán Peninsula‚ which dates to the period in question. Dinosaurs roamed the earth for
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The Solar System The solar system still to this day one of the most fascinating subjects of study in the science world. In our time‚ we are one of the first generations to see the planets of our solar system up close‚ and we have been able to view evolution of these planets through time. Our solar system consists of a middle aged star called the Sun‚ 9 planets‚ about 100 moons‚ thousands of asteroids‚ millions of icy bodies‚ and many comets revolving around all of it. We can begin by looking
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caused by intense volcanic activity and the effect of plate tectonics. The second theory is known as Extrinsic Catastrophism and proposes that the K-T Extinction was caused by a sudden and violent catastrophic event such as the Earth being struck by a meteor or asteroid. The K-T Extinction supports the concept of Punctuated Equilibrium in evolution because surviving species evolved and others were exterminated. This creates the stepladder effect of evolution seen in the fossil record . THE K-T EXTINCTION
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