http://www.sweetsearch.com/ SweetSearch is a Search Engine for students, developed by Dulcinea Media as a teacher tool to help educators teach students how to use the Internet effectively, safely, and responsibly. SweetSearch searches 35,000 reliable sites.
http://www.procon.org/education.php Since 2004, ProCon researches important and controversial issues. It is a nonprofit public charity, without government affiliations,
http://www.middleschooldebate.com/topics/topicresearch.htm MSPDP is the world’s largest program for class and contest debating in the middle grades, and was developed to help teachers network with others in support of the Middle School Public Debate Program.