The Scientific 7 minute Workout - https://www.youtube.com/watch?v=U6etLKswjq8
It is also important that you limit your screen time (remember this links to mental health) so do other stuff!! Talk to your parents, read a book, learn to cook!
Instead of reading a book you could listen to one. Audible are offering a free service whilst schools are shut. Browse through. There are even books in Spanish for the linguists.
https://stories.audible.com/discovery
This is also really good for mental well being - https://www.headspace.com/
Useful links to support your Health & Wellbeing
Mental Health support: Young minds and Kooth
Physical activities: Sport England
Join the Movement Musical activities : Song sheets for those with instruments Activities for those without instruments
Interested in trying out a bit of theatre?: Theatre tickets are often expensive but every Thursday at 7pm on Youtube the National Theatre is allowing free access to a performance filmed on stage live (at the time).
https://www.nationaltheatre.org.uk/at-home https://www.youtube.com/channel/UCUDq1XzCY0NIOYVJvEMQjqw
Other Post 16 links
1.Really great collection of resources aimed at Sixth formers on Oxford website- academic and aimed at super curricular learning.
http://www.ox.ac.uk/admissions/undergraduate/increasing-access/ug-digital-resources/students-over-16
2. This is probably one of the best websites out there for exploring your subject
https://www.univ.ox.ac.uk/applying-to-univ/staircase12/
3. Outreach resources Magdalen Oxford
https://www.magd.ox.ac.uk/studying-here/outreach/outreach-resources/
4. Pdf with links for free University course textbooks in most subjects