https://www.kiddle.co/
https://www.dkfindout.com/us/
http://www.britannica.com/
http://childrenslibrary.org (large variety of books available in English and other languages)
https://kids.nationalgeographic.com/
https://jr.brainpop.com/
https://kids.wordsmyth.net/we/ kid's dictionary
https://kids.wordsmyth.net/wild/#/home picture dictionary for K-3
https://www.sldirectory.com/virtual.html The Virtual Middle School Library
https://www.dkfindout.com/us/
http://www.britannica.com/
http://childrenslibrary.org (large variety of books available in English and other languages)
https://kids.nationalgeographic.com/
https://jr.brainpop.com/
https://kids.wordsmyth.net/we/ kid's dictionary
https://kids.wordsmyth.net/wild/#/home picture dictionary for K-3
https://www.sldirectory.com/virtual.html The Virtual Middle School Library