The downloadable pdf from the Excellence Awards in Science & Engineering has a wealth of resources, including content from: NSF, Dept of Education, NSTC, Army, Smithsonian Institute, USDA, Dept of Energy, EPA, NASA, NOAA and more.
The Maricopa County School Superintendent’s Office has compiled a list of of sites to enhance the teaching experience and bring lessons to life.
Girls Who Code is an international non-profit organization working to close the gender gap in technology and change the image of what a programmer looks like and does.
Code.org® is a nonprofit dedicated to expanding access to computer science in schools and increasing participation by women and underrepresented youth. Their vision is that every student in every school has the opportunity to learn computer science, just like biology, chemistry or algebra.
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.