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It introduces the role of electricity, fuels for vehicles and heating, and key vocabulary for understanding energy. The book then explains energy sources, especially fossil fuels, describing how they are formed, how they are used, and why they are nonrenewable.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/energy-and-our-world-introduction/322022/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/energy-and-our-world-introduction/322022.png","ImageObject",300,407,{"name":92,"@type":93},"Eden","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-23","2026-09-21",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What important idea does the astronaut come to understand?","Question",{"text":112,"@type":113},"The astronaut learns that all of Earth is our home.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why are fossil fuels considered nonrenewable?",{"text":117,"@type":113},"Fossil fuels come from plants and animals that died millions of years ago, and once they are used up, they are gone forever.",{"name":119,"@type":110,"acceptedAnswer":120},"What problems can occur when we mine coal?",{"text":121,"@type":113},"Strip-mining can damage land, and metals and chemicals may wash into streams and pollute water.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},322022,1790209553,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},1374391974468,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Energyand Our Worldby Glen Phelan  \nSTRATEGIES &SKILLS AT A GLANCEComprehension  \nRead toFind Out  \n·Strategy:Analyze Text Structure  \n·Skill:Identify Cause and Effect  \nVocabulary  \nHow has our useof energy hurt ourplanet?What canwe do to makethings better?  \n·adverse,apparatus,generate,nonrenewable,renewable  \nSupport Words  \n·atmosphere,electricity,navigation,shrinking  \nHigh-Frequency Words  \n·solar,experts  \nVocabulary Strategy  \nphata credits COVER:(bkgd)Richard HamiltanSmith/CORBIS.I:(c)Handa Mator/Handaut/Reuters/CORBIS.2:(b)1996 CORBIS;Originol image caurtesyaf NASA/CORBIS.3:(cr)Stack Trek/Getty Images.4:(br)SSPL/The Image Warks.S:(tr)Dr.Marli Miller/Visuals Unlimited.6:(b)Michael T.Sedom/CORBIS.  \n·Context Clues:Within a SentenceCONTENT-AREA VOCABULARYWords related to energy(see glossary)  \n7:(tr)Gary Braasch/CORBIS.8:(t)Rabert Landau/CORBIS.10:(b)Assaciated Press,Warld Wildlife Fund.  \nI:(t)NASA.12:(cr)Phata Researchers,Inc.13:(b)Phatadisc Red/Getty Images.14:((t)Peter Arnald,Inc./Alamy Images.15:(b)Jeff Greenberg/Phata Edit,Inc.16:(tr)Phatadisc Green/Getty Images.17:(b)Richard Hamiltan Smith/CORBIS.18:b)Honda Matar/Handaut/Reuters/CORBIS.19:(tr)Rager Ressmeyer/CORBIS.20:(b)Michae Newman/Phata Edit,Inc.2I:(b)PhataLink/Getty Images.  \nNATIONAL CONTENT STANDARDSScience  \n·Physical ScienceWord Count:2,290  \nMacmillanMcGraw-Hill  \nPublished by Macmillan/McGraw-Hill,of McGraw-Hill Education,a division of  \nThe McGraw-Hill Companies,Inc.,Two Penn Plaza,New York,New York 10121.  \nCopyright Cby Macmillan/McGraw-Hill.All rights reserved.No part of this publicationmay be reproduced or distributed in any form or by any means,or stored in a database orretrieval system,without the prior written consent of The McGraw-Hill Companies,Inc.,including,but not limited to,network storage or transmission,or broadcast for distancelearning.  \nPrinted in the United States of America  \n4567890260908  \n# and Our World\n\nby Glen Phelan  \nTable of Contents  \nIntroduction ………………………………  \nChapter 1  \nSources of Energy ……………  \nChapter 2  \nChanges in Our Climate.  \nChapter 3  \nHow to Save Energy.  \nConclusion…………………  \nGlossary………………  \nIndex…………  \nComprehension Check  \n……………………………2  \n………………………………4  \n……………………………………10  \n…………………………16  \n21  \n22  \n.∴………………………23  \n…………………………24  \n# Introduction\n\nAn astronaut on a space shuttle flight was tryingto find his home.As the spacecraft circled Earth,theastronaut looked through the shuttle's windows.Hesaw the world below.Finally,he saw the bright lightsof his city.It felt good to see home when he was sofar away.  \nBut then a strange thing happened.He stoppedthinking about the city as his home.He looked out thewindow again.This time,the entire area around thecity felt like home.After that,he only had to look forhis country to feel at home.Then he only had to lookat the continent.After awhile,the astronaut saw theentire Earth as home.  \nThe astronaut understood a very important  \nidea-all of Earth is our home.But lately,we have notbeen good to Earth.Now Earth has many problems.Some of them have to do with our search for energy.This book explores how the use of energy affectsthe environment.There are problems.But there aresolutions,too.  \n# Sources of Energy\n\nThink about when you turn on the TV,turn upthe heat,or go for a ride in the car.All these actionsuse energy.Try to think about going through a daywithout energy.You would not have electricity,whichmeans no refrigerator,no TV,and no light bulbs.Youwould not have anything that runs on gasoline orfuel,which means no cars,trucks,planes,or trains.You would not have the natural gas or oil that keepsyour home warm on cold nights.It is clear that energymakes our lives better.  \nelectricity:a form of energy that can make light or heat,ormake a machine run  \n# Kitchen Without Electricity\n\nIt may be hard to think of life with no electricity,but yourancestors survived without it.For example,100 years ago,  \nthere were no refrigerators that ran  \non electricity.How did peopleke","cbCaifZWzFmUBlRr","https://ap.wps.com/l/cbCaifZWzFmUBlRr","pdf",1426934,28,"English","# Introduction\n# Sources of Energy\n## Kitchen Without Electricity\n## The Problems with Fossil Fuels","[{\"question\":\"What important idea does the astronaut come to understand?\",\"answer\":\"The astronaut learns that all of Earth is our home.\"},{\"question\":\"Why are fossil fuels considered nonrenewable?\",\"answer\":\"Fossil fuels come from plants and animals that died millions of years ago, and once they are used up, they are gone forever.\"},{\"question\":\"What problems can occur when we mine coal?\",\"answer\":\"Strip-mining can damage land, and metals and chemicals may wash into streams and pollute water.\"}]","Energy and Our World - Introduction | PDF",1789960848,71]