The US Geological Survey website has a host of useful resources for teachers:
https://www.usgs.gov/science-support/osqi/yes/resources-teachers
While this collection is relatively old, all of the experiments are still useful to try out:
http://photobiology.info/Experiments/PDF/Collection.pdf
A Teacher’s pack providing knowledge, lesson plans and resources for use in class on Green Chemistry:
http://www.chemlabs.bris.ac.uk/outreach/resources/GreenChemistryTeacher_sPack.pdf