The Stardust Mystery
The "Stardust Mystery" story leads to science learning about atoms,
This FREE online resource is for late elementary and middle school science developed with grants from the National Science Foundation (NSF).
There are some "pay for" items on the site - a book and video games - all else is free.
Earth and the Universe can be found on the Kids Page:
Kids-Project's page: https://TheStardustMystery.com/kids/
Educators page: https://TheStardustMystery.com/kids-projects/.
STARDUST MYSTERY: https://thestardustmystery.com/educators/
YouTube Channel: https://www.youtube.com/channel/UCa5CQnZA6StFXXvEs418DKg