Courses
Science
8 free courses in Science. Mathematics, physics, chemistry and biology, solved rather than only explained.
Courses to get you started
All free, all made by people who teach in public.
Crash Course Geology
by CrashCourse
3h 38m · Beginner
April 2026
Free22 lessons
MIT 18.642 Topics in…
by MIT OpenCourseWare
26h 12m · Intermediate
October 2025
Free22 lessons
Biology
by CrashCourse
10h 48m · Beginner
May 2023
Free51 lessons
MIT 18.200 Principles of…
by MIT OpenCourseWare
24h 42m · Intermediate
November 2025
Free20 lessons
All Science courses
Nothing here costs anything. No card, no trial, no account needed to watch.
Fundamentals of Physics with Ramamurti Shankar
This course provides a thorough introduction to the principles and methods of physics for students who have good preparation in physics and mathematics. Emphasis is placed on problem solving and quantitative reasoning. This course covers Newtonian mechanics, special relativity, gravitation, thermody
by YaleCourses
28h 45m24 lessonsBeginner9.2M views
Free
Fundamentals of Physics II with Ramamurti Shankar
This is a continuation of the introductory course on the principles and methods of physics for students who have good preparation in physics and mathematics. This course covers electricity, magnetism, optics and quantum mechanics. For more information about Professor Shankar's book based on the lec
by YaleCourses
29h 49m25 lessonsBeginner7.8M views
Free
MIT 7.016 Introductory Biology, Fall 2018
Instructors: Barbara Imperiali, Adam Martin, Diviya Ray View the complete course: https://ocw.mit.edu/7-016F18 YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP63LmSVIVzy584-ZbjbJ-Y63 7.016 Introductory Biology provides an introduction to fundamental principles of biochemistry, mo
by MIT OpenCourseWare
27h 52m35 lessonsBeginner3.6M views
Free
Calculus 3 (Full Length Videos)
Calculus of Vectors, Vector Functions, Surfaces, and Vector Fields. Topics include an Introduction and study of vectors in 2-D and 3-D, a study of 3-D functions and surfaces, vector functions and calculus of vector functions, partial derivatives and multiple integrals using several coordinate syste
by Professor Leonard
75h 24m34 lessonsBeginner20M views
Free
IMAT 101 | Biology
All videos correspond to the IMAT Specifications
by Med School EU
19h 22m57 lessonsBeginner643K views
FreeThe author has removed some lessons
Prealgebra (Full Length Videos)
Topics: Introduction to the number line, Operations involving integers, Solving basic equations, Introduction to fractions, Introduction to rates and ratios, Operations with polynomials.
by Professor Leonard
38h 55m44 lessonsBeginner1.9M views
Free
General Physics I - PHYS 101
Standards and units; vectors and coordinate systems; kinematics; dynamics; work, energy and power; conservation of energy; dynamics of system of particles; collisions; rotational kinematics and dynamics; oscillations.
by Bilkent Üniversitesi
27h 13m39 lessonsBeginner799K views
Free
Freshman Organic Chemistry with J. Michael McBride
This is the first semester in a two-semester introductory course focused on current theories of structure and mechanism in organic chemistry, their historical development, and their basis in experimental observation. The course is open to freshmen with excellent preparation in chemistry and physics,
by YaleCourses
30h 5m37 lessonsBeginner975K views
Free