http://www.solpass.org/middle.php    [website for interactive review on 6th - 8th grade science curriculum]

https://education.jlab.org/solquiz/   [released practice SOL exams for 8th grade]

http://interactivesites.weebly.com/science.html  [interactive site for 6th - 8th grade curriculum]

https://www.sciencenewsforstudents.org/