*** More material coming soon... ***
For now, here are some selected links to external sources. They contain tutorials, study notes that you can download, quizzes, and interactive animations you can work with. The level ranges from elementary/introductory (secondary school level) to advanced/specialist (postgrad level) - either way, the information is very clear and concise and self-explanatory.
--- https://www.khanacademy.org/science/physics
--- http://www.physicsclassroom.com/Physics-Tutorial
--- http://www.physicstutorials.org/pt/index.php
--- https://www.physics.uoguelph.ca/tutorials/tutorials.html
--- https://www.sophia.org/subjects/physics
--- http://www.physicstutorials.org/pt/index.php
--- http://www2.physics.ox.ac.uk/research/instrumentation
--- http://iopscience.iop.org/issue/0953-8984/28/48
--- http://www.phys.s.u-tokyo.ac.jp/en/lp/a1/
--- https://www.lynda.com/modo-tutorials/Combining-particles-physics/147020/154246-4.html
--- http://www.ch.cam.ac.uk/publications
--- http://www.passmyexams.co.uk/GCSE/chemistry/
--- http://www.s-cool.co.uk/a-level/chemistry/atoms-molecules-and-stoichiometry
--- https://chemrevise.org/textbook/
--- http://www.educationquizzes.com/specialist/
--- https://ocw.mit.edu/courses/earth-atmospheric-and-planetary-sciences/12-001-introduction-to-geology-fall-2013/lecture-notes-and-slides/
--- http://www.brynmawr.edu/geology/101/Geology101LectureNotes.html
--- http://burnanenergyjournal.com/forms-of-energy-motion-heat-light-sound-2/
--- http://www.mathplanet.com/education/algebra-2/how-to-graph-functions-and-linear-equations
--- http://tutorial.math.lamar.edu/Extras/StudyMath/HowToStudyMath.aspx
--- http://www.maths.ed.ac.uk/school-of-mathematics/studying-here/undergraduate-study/what-will-i-study
--- http://www.seemath.com/
--- http://animated-mathematics.net/
--- http://www.mathwarehouse.com/animated-gifs/
--- https://commons.wikimedia.org/wiki/Category:Mathematical_animations
--- http://www.science-animations.com/MathsAnimations.html
Selected Videos:
"Is modern physics crossing the boundaries of science? PANEL DISCUSSION" by Copernicus Center for Interdisciplinary Studies [2h09mins]
http://youtube.com/watch?v=vHLwEmIrSuk
"The Nature of Reality - An Interdisciplinary Panel Discussion" by AGF Meko [1h55mins]