Online Videos of Labs (Senior Science) https://www.ayva.ca/sci/distance-learning-for-teachers/
Chem Collective virtual chemistry labs (great for 12 chem) http://chemcollective.org/
pHet simulations for online experiments (HTML5 prefered for students at home as the Java ones will be less accessible to students working on different types of devices)
https://phet.colorado.edu/en/simulations/category/new
TVO ILC Open House – Free access to Ontario ILC course content. https://openhouse.ilc.org/
Perimeter education (grade 12 physics) https://perimeterinstitute.ca/outreach/teachers
Some good online apps for writing on pictures and pdfs that don’t require downloading any programs: