NCWiseOwl
Citation Maker
http://elementary.oslis.org/cite-sources/mla-elementary-citation
Pixabay
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Steps for Research
http://www.kyvl.org/kids/homebase.html
Kids.Net.Au
Squirrelnet.com (Google Safe Search for Kids)
http://www.squirrelnet.com/search/Google_SafeSearch.asp
Simple Wikipedia (shorter articles, simpler English for children)
http://simple.wikipedia.org/wiki/Main_Page
Wikipedia
Article Base
Kids' Reference
http://www.only2clicks.com/pages/joycevalenza/335128
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Search Engine Resources for Kids
http://ivyjoy.com/rayne/kidssearch.html
Factmonster.com