MATH
IXL MATH : the most comprehensive online math tutoring site. Usually needs a paid subscription but hopefully they’re offering it for free right now.
All Kids Network: Comprehensive, easy-to-download / print worksheets for all subjects.
https://www.allkidsnetwork.com/
https://www.allkidsnetwork.com/math/
https://www.allkidsnetwork.com/reading/
Jumpstart (K-6) - Math
https://www.jumpstart.com/teachers/curriculum/math
Math Playground
Math Games, Logic Puzzles and Brain Builders
https://www.mathplayground.com/logic-games.html
A Plus Click
https://www.aplusclick.org/index.html
Math Score: (paid subscription) - Super intuitive and easy-to-use
Math in French (Elementary)
SCIENCE
KIDZ MD: Daily free science or cooking experiments to do at home.
http://www.clubscikidzmd.com/blog/
Funology: Cool science experiments for younger children
Science Spot: Science projects and printable worksheets that can be completed with or without Internet access https://sciencespot.net/Pages/classhome.html
The Happy Scientist: Just explore, have fun, and learn some science along the way.
https://thehappyscientist.com/
National Geographic
https://kids.nationalgeographic.com/
Science podcasts
https://medium.com/…/19-great-science-podcasts-you-can-list…
NASA for Kids: Space science for kiddos
https://www.nasa.gov/kidsclub/index.html
Ask Dr. Universe: A science-education project from Washington State University. Kids can send Dr. Universe any question they may have about history, geography, plants, animals, technology, engineering, math, culture, and more.
https://askdruniverse.wsu.edu/
Cells Alive: Learn all about cells
Steve Spangler’s Science: Tons of science experiments that you can do at home
https://www.stevespanglerscience.com/lab/experiments/
Weather Wiz Kids: From rainbows to tornadoes and winter storms to tsunamis, meteorologist Crystal Wicker breaks down the fascinating world of weather. http://www.weatherwizkids.com/
Youngzine: News and more for kids