CHEMISTRY
Phases of matter: https://www.grc.nasa.gov/www/k-12/airplane/state.html
States of matter: http://www.pbs.org/wgbh/nova/physics/states-of-matter.html
Chemical Education Digital Library: http://www.chemeddl.org/
Chemistry Now videos explain the science of common, physical objects in our world and the changes they undergo every day: https://www.nsf.gov/news/special_reports/chemistrynow/
American Chemical Society: Resources for students and educators:
https://www.acs.org/content/acs/en/education.html
CAREERS IN CHEMISTRY
Occupational Outlook Handbook: https://www.bls.gov/ooh/
American Chemical Society: What Chemists Do (video series):
https://www.acs.org/content/acs/en/careers/college-to-career/video.html