General Science

The primary purpose of a General Science course is to introduce the learner to a broad range of science subjects. More important, the lessons tie together the various disciplines in a way that is difficult to achieve in the usual, single-topic science courses.

Astronomy

Whether you are studying backyard stargazing or exploring the possibility of becoming a professional astronomer, Astronomy Education at Free-Ed.Net can get you started and sustain your learning for years to come.

General Astronomy
Planetary Astronomy
Stars and Galaxies
Cosmology

Biology

Biology and the life sciences are changing the way we think about the universe, the living things around us, and ourselves.

General Biology
Anatomy and Physiology
Cell Biology and Genetics
Biochemistry
Biometrics
Zoology

Chemistry

This place is right for you if you simply want to be better informed, want to get a first-hand look at what it is like to study chemistry, or want to further your education in the field.

General Chemistry
Organic Chemistry
Biochemistry

Earth Sciences

The Greeks separated all matter into air, earth, and fire. Today's earth sciences are a bit more sophisticated, but they are all about the air around us, the earth beneath our feet, and the bodies of water that cover most of the world.

Environmental Science
Geology
Soil Science
Oceanography
Meteorology

Physics

Simply put, physics is the study of matter, energy, and the relationship between the two. But there is a new wrinkle in the fabric of physics:  the study of reality.

General Physics -- Descriptive
General Physics -- Algebra
General Physics -- Calculus
Nuclear and Particle Physics
Theoretical Physics