Website: http://books.google.com/
Google Chrome app: https://chrome.google.com/webstore/detail/google-play-books/mmimngoggfoobjdlefbcabngfnmieonb
Website: https://grockit.com/answers
Paid iPad app: https://itunes.apple.com/us/app/surfmark/id796330612?mt=8&uo=4&at=10l6SU
Google Chrome app: https://chrome.google.com/webstore/detail/surfmark-extension/mdaghgnbbnjidfeglliohobbieahaiii
Free iPad app: https://itunes.apple.com/us/app/rover-browser-for-education/id483262612?mt=8&uo=4&at=10l6SU
Website: http://thesaurus.com/
Google Chrome app: https://chrome.google.com/webstore/detail/thesauruscom-synonyms-and/clljlcapeomdokpgadmegpabakieebci
Website: http://www.edutecher.net/
Free iPad app: https://itunes.apple.com/us/app/edutecher-backpack/id443818652?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/edutecher-backpack/id443818652?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.eduTecher.eduTecherBackpack
Website: http://www.visualthesaurus.com/
Website: http://duckduckgo.com/
Google Chrome app: https://chrome.google.com/webstore/detail/duckduckgo-home-page/ljkalbbbffedallekgkdheknngopfhif
Free iPad app: https://itunes.apple.com/us/app/duckduckgo-privacy-browser/id663592361?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/duckduckgo-privacy-browser/id663592361?mt=8&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.duckduckgo.mobile.android
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.duckduckgo.mobile.android
Website: http://www.answers.com/
Free iPad app: http://itunes.apple.com/us/app/yalsas-teen-book-finder/id527674308?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/yalsas-teen-book-finder/id527674308?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/destiny-quest/id472689459?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/destiny-quest/id472689459?mt=8&uo=4&at=10l6SU
Website: http://kids.yahoo.com/reference/encyclopedia
Paid iPad app: https://itunes.apple.com/us/app/id584413429?mt=8&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/id584413429?mt=8&at=10l6SU
Paid Android Phone app: https://play.google.com/store/apps/details?id=com.ktlmobileapps.levelitbooks
Paid Android Tablet app: https://play.google.com/store/apps/details?id=com.ktlmobileapps.levelitbooks
Website: http://www.gooru.org/
Free iPad app: https://itunes.apple.com/us/app/gooru-collections/id576044892?ls=1&mt=8&uo=4&at=10l6SU
Google Apps for Education app: https://www.google.com/enterprise/marketplace/viewListing?productListingId=13045+661590233363337669
Website: http://www.zotero.org/
Paid Mac program: http://www.zotero.org/
Paid Windows program: http://www.zotero.org/
Free iPad app: http://itunes.apple.com/us/app/pearson-dash/id471339475?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=org.wikipedia
Free iPad app: https://itunes.apple.com/us/app/wikipedia-mobile/id324715238?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/wikipedia-mobile/id324715238?mt=8&uo=4&at=10l6SU
Website: http://www.wikipedia.org/
Website: http://www.wdyl.com/