All America Reads Atomic Learning Cable in the Classroom Educator's Reference Desk ERIC Professional literature and research on eductional topics.   The Gateway A searchable database of curriculum from many sources. Just 5 Clicks - Note:Please use Firefox instead of Safari Lexile.com Library of Congress American Memory Collection Access rich primary source materials relating to the history and culture of the United States Thinkfinity (formerly MarcoPolo) An impressive collection of teacher resources in all curriculum areas. Minnesota Department of Education MCA Test Item Samples MN Link National Library of Virtual Manipulatives NCTE ReadWriteThink NWEA Gateway to Teacher Reports PBS TeacherSource Includes lesson plans and valuable links for all disciplines Regional Educational Laboratories SchoolDiscovery.com A great resource for lesson plans, and classroom ideas. SLP ELL Resources Smithsonian in Your Classroom United Streaming WebQuests WMEP Class Registration .