A09_207_1C_Basics - high quality Sun Energy Types Kinetic...

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Studying the “Stuff” of the Universe The building blocks of nature Matter & Energy
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Matter: Key Points • Matter occurs in 3 “phases” • Matter is made of atoms • There are 92 natural types of atoms (elements) • Atoms bond together to form chemical compounds Phases of Matter Solid Gas Liquid Determined by temperature and pressure
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Elements Iron Carbon Gold Periodic Table of the Elements
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The most abundant element in the universe: Hydrogen Large Magellanic Cloud Abundance of the Elements (wt. %)
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Abundance of Element (%): Living Things Element Human Alfalfa Bacteria Oxygen 62.8 77.9 73.7 Carbon 19.4 11.3 12.1 Hydrogen 9.3 8.7 9.9 Nitrogen 5.1 0.8 3 Phosphorous 0.6 0.7 0.6 Sulfur 0.6 0.1 0.3 Atomic Particles Atoms (Elements) Compounds Life, the Universe & Everything
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Compounds Energy: Key Points • There are 2 basic types of energy • Energy can change from one form to another • Energy can be low or
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Unformatted text preview: high quality Sun - September 25, 2009 Energy: Types Kinetic • Mechanical • Electromagnetic • Electricity • Heat Potential • Chemical Electromagnetic Spectrum Energy: Quality Low Quality High Quality (disorganized concentrated) 3 Fundamental Laws of Nature • Conservation of Matter • 1st Law of Thermodynamics (Conservation of Energy) • 2nd Law of Thermodynamics (Degradation of Energy) • “You can’t thrown anything away” • “You can’t get something for nothing” • “In fact, you can’t even break even” Earth: Open or Closed System? Energy Matter Earth: Matter does not come and go Earth is a closed system to matter So… matter is constantly recycled on Earth Earth Systems: Reservoirs & Pathways Atmosphere Biosphere Lithosphere Hydrosphere “Biogeochemical Cycles” Earth: Earth constantly gains & loses energy Earth is a Open System to Energy Heat Sunlight...
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This note was uploaded on 01/11/2012 for the course ENVSCI 204 taught by Professor Robviens during the Fall '07 term at Bellevue College.

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A09_207_1C_Basics - high quality Sun Energy Types Kinetic...

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