ALKALINE EARTH METALS what are alkaline earth metals? Alkaline earth metals are elements that are in the second group of the periodic table. the elements have two electrons on the outermost shell. the elements include Beryllium‚ magnesseum‚ calcium‚strontium‚ barium and Radium.The alkaline earth metals are all silvercolored and soft‚ and have relatively low densities‚ melting points‚ and boiling points. In chemical terms‚ all of the alkaline metals react with the halogens to form the alkaline earth metal halides
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February 21‚ 2013 Where do planets come from? Abstract Astronomers have spent many centuries wondering how our solar system and its planets came to be. We could only see the end result of planet formation‚ not the process itself. And we had no other examples to study. Even with the knowledge gained about other solar system‚ we were left to wonder‚ are there other planetary systems out there‚ and did they form like ours? This project leads you to find out how mighty planets are formed from cosmic dust
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"How to Poison the Earth": An Analysis The two main purposes Linnea Saukko has in "How to Poison the Earth" are persuasive and referential aims. She uses examples classification and descriptions to help the reader better understand the future of the planet if humans keep on the same path of destruction. The main modes she uses in the first paragraph are cause and effect‚ and later classification of pollution into ground water and air methods is used Saukko starts the essay off by saying‚ "Poisoning
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towards things. Some are concerned in preserving and protecting the earth; others don’t care about the subject and believe it doesn’t make a difference. The fact is‚ as everyday goes by the earth is being destroyed more and more; and we need more people to care. The point being not only to care for the earth‚ but care for yourself. Earth is the place you now call "home." A person who is extremely concerned in protecting the earth‚ for example‚ is more likely to use recycled products and won’t use
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Earth Day is an annual event‚ celebrated on the 22 of April‚ on which events are held worldwide to demonstrate support for environmental protection. It was first celebrated in 1970‚ and is now coordinated globally by the Earth Day Network‚ and celebrated in more than 192 countries each year. Earth Day is the perfect time to think outside the box. What are the consequences of our choices? What products are better for the earth? What should we avoid? Just as you might suspect‚ there’s more to saving
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Children murdering their parents for their inheritance‚ parents killing their kids ‘cause of their ignorance. How‚ how‚ how has the world come to this stage‚ can we break free from this evil filled cage? Is it possible to change the whole Earth? Just start over and give the world a rebirth. Back when money didn’t exist‚ back when the strongest weapon was your fist. Back when u cared more for others‚ back when every guy you knew were your brothers. I know this probably sounds absurd
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and over time overtakes one’s whole mentality. Those of us who experience this “disease” of greed blindly begin to lose the ethics and integrity that they have learned. This subject is directly related and portrayed throughout the novel The Good Earth by Pearl S. Buck. The theme of “greed” plays an important role that helps to make the story what it is in the end. Buck included the theme of “greed” throughout the novel to help the reader understand the process and cause and effect of greediness
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kind of improvement is based on the experiences gained and commitment shown by manpower in develops to the organisation to another phase. (Adapted from WWF official website‚21 January 2008) Introduction to Earth Hour Earth Hour (EH) is a meaningful campaign organised by WWF with the aims to raise public awareness about global climate changes. This campaign was launched on 31 March 2007 in Sydney‚ Australia. According to the statistics
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Measuring Earth with a Stick Have you ever heard of the Greek mathematician and astronomer Eratosthenes? His name is probably best known among astronomers. Why do they think so highly of him? Eratosthenes was born about 276 B.C.E. and received some of his education in Athens‚ Greece. He spent a good part of his life‚ however‚ in Alexandria‚ Egypt‚ which at that time was under Greek rule. In about 200 B.C.E.‚ Eratosthenes set out to determine the dimensions of the earth by using a simple stick
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DESCRIBE THE CHARACTERISTICS OF THE EARTH INTERIOR LAYERS ( COMP.#16) BY: KRISTAL MAE E. TORRECAMPO EARTH • Is made up of three physical states of materials : - SOLID MATERIALS - LIQUID MATERIALS - ENVELOPE GASES GEOLOGISTS - Studied Earth’s interior through indirect observation of waves during earthquake - studies Earth’s interior EARTH is divided into three layers namely: * CRUST * MANTLE * CORE CRUST – OUTERMOST and THINNEST LAYER - ranging from 5 to 100 km. thick - upper part of the
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