Serendip is an independent site partnering with faculty at multiple colleges and universities around the world. Happy exploring!
Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
websites
Here are some websites to check out... mostly beneficial for middle grades science curriculum. Sorry, not all are interactive - some are in-class projects...
http://www.k12science.org/curriculum/drainproj/information.html
http://library.thinkquest.org/J002289/meta.html
http://pbskids.org/zoom/games/3puckchuck/
http://www.educationworld.com/a_curr/curr019.shtml