Common Sense Education
https://www.commonsense.org/education/top-picks/most-reliable-and-credible-sources-for-students
Virtual Learning Resources Center
http://www.virtuallrc.com/
Kiddle
Kiddle
Britannica School Database
https://school.eb.com/levels
National Geographic Kids
https://kids.nationalgeographic.com
San Diego Zoo Kids - Animals
https://sdzwildlifeexplorers.org/animals
Sweet Search
http://www.sweetsearch.com/
Infotopia
http://www.infotopia.info/
Atlapedia
http://www.atlapedia.com/
Fact Monster
http://www.factmonster.com
Infotrek
https://infotrek.info/