Science/Health/Safety:

Sparky the Fire Dog http://sparky.org/arcade.html

Mystery Science (videos and hands-on experiences) https://mysteryscience.com/school-closure-planning

Pacific Science Center https://www.pacificsciencecenter.org/events-programs/curiosity-at-home/

California Science Center https://californiasciencecenter.org/stuck-at-home-science

Live Zoo and Aquarium Webcams

Woodland Park Zoo https://www.zoo.org/webcams

San Diego Zoo https://zoo.sandiegozoo.org/live-cams

Seattle Aquarium https://www.seattleaquarium.org/live-cams

Georgia Aquarium https://www.georgiaaquarium.org/webcam/ocean-voyager/