Presenting a wide array of Internet addresses and sample lessons, this fourth edition shows how teachers can integrate the Internet into their K-12 curriculum to actively involve students. The first section of the book (chapters 1-6) deals with the programs needed to use the Internet, as well as 100 great web sites for teachers, how to manage the Internet classroom, and how to search the Internet effectively and easily. The second section (chapters 7-16) contains lessons with clearly stated goals, rationales, objectives, procedures, and evaluation guidelines. After a matrix of contents and an introduction to the basics, chapters in the book are: (1) "The World Wide Web"; (2) "A Wealth of Web Sites"; (3) "Searching on the Web--Directories and Search Engines"; (4) "Developing and Designing a Web Site"; (5) "Using the Internet for Teaching--Rules for the Road"; (6) "Online in Your Classroom"; (7) "E-pals and Keypals"; (8) "A Whale of a Time!"; (9) "The CyberNews"; (10) "The ABCs of Canada"; (11) "Virtually Together in D.C."; (12) "Get a Job!"; (13) "A Book an Hour"; (14) "Ambassador to Mexico WebQuest"; (15) "The Games People Play"; and (16) "Just for the Little Kids." Contains a 29-item list of selected Internet books and a 52-item abridged glossary of Internet terms. (RS)