Science
Reading about. Also look at the related articles at the bottom of the page for more about stars.
A data base of current events stories tailor-made for classroom use. Indexed by broad theme (e.g. War and Peace, Arts, Science, Health, Law, Money), stories are both student-friendly and can be accessed in different formats by reading level.
Amazon Future Engineer is offering free online computer science learning experiences for any student or teacher in the US.
This is a site for all grade levels and all content areas, including arts, social/emotional learning, and some that don't require the computer. Some very reputable organizations teamed up to bring this resource to families and educators with a daily outline for activities for 3 weeks so far.
Various Ag Science activities and resources students can do at home -- shared in a Google Document.