Free courses
Produced by The Open University, a world leader in open and distance learning, all OpenLearn courses are free to study. We offer nearly 1000 free courses across 8 different subject areas. Our courses are available to start right away.
- All topics
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Science, Maths & Technology
Laboratory skills for chemistry
An OpenSTEM laboratory school providing you with 24 hours of ‘hands on’ experience with several widely used techniques in chemistry. Techniques include pipetting, titration, solvent extraction, heating under reflux, crystallisation, filtration, melting point determination, TLC, UV-Vis analysis and IR spectroscopy. The laboratory protocols ...
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Science, Maths & Technology
Introduction to group theory
This free course is an introduction to group theory, one of the three main branches of pure mathematics. Section 1 looks at the set of symmetries of a two-dimensional figure which are then viewed as functions. Section 2 introduces an algebraic notation for recording symmetries and calculating composites and inverses of symmetries. Section 3 ...
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Science, Maths & Technology
The science of alcohol
Alcohol plays a considerable part in the daily lives of humanity and has done for thousands of years. This free course, The science of alcohol, looks at the science behind the processes of brewing, distilling and vinification, and how many of our beverages are made. A historical aspect is also covered showing how the modern production techniques...
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Science, Maths & Technology
Systems diagramming
Please note: This course contains a Flash activity which is no longer playable. It is being updated. This course can still be studied, but you may like to postpone your study for now if you would rather have the full experience.
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Science, Maths & Technology
The evolving Universe
The Big Bang is said to be the origin of our Universe. This free course, The evolving Universe, will help you to comprehend what happened in the moments immediately after the Big Bang and during the initial cooling period. You will also gain an understanding of how this event turned in to the Universe we live in today.
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Science, Maths & Technology
Geological processes in the British Isles
The landscape of the British Isles has undergone dramatic changes during the history of the Earth, from shallow sea to desert to the familiar terrain of the 21st century. In this free course, Geological processes in the British Isles, you will explore the processes that have shaped the British landscape over time, gaining insight into the ...
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Science, Maths & Technology
Scales in space and time
Scale – dealing with the miniscule to the massive, over milliseconds to millennia – is central to all the sciences. In this free course, Scales in space and time, you’ll go to the absolute limits of what can be measured – all through a study of an oak tree! By studying it you will be introduced to concepts in physics, chemistry, biology and ...
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Nature & Environment
Studying mammals: Plant predators
From the mouse-deer to the elephant, plant eaters come in all shapes and sizes. But how do they manage to flourish on a salad diet? In this free course, Studying mammals: Plant predators, we will examine the special features that allow them to extract their nutrients from leaves, and see how some plants protect themselves from these predators. ...
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Science, Maths & Technology
Icy bodies: Europa and elsewhere
The new discipline of astrobiology that is, the science of searching for extraterrestrial life, is not only rapdly growing, but has also captured the public imagination. This free course, Icy bodies: Europa and elsewhere, examines the emergence of icy satellites of distant planets as potential sites of extraterrestrial life, looks at the ...
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Science, Maths & Technology
Theories in technology evaluation
This free course, Theories in technology evaluation, is devoted to exploring and analysing the theoretical and political nature of evaluation and assessment. It introduces theories and paradigms that play important roles in how we design, conduct and use evaluations and assessments, and deals with the thorny issue of participation in evaluation.
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Education & Development
Digital skills: succeeding in a digital world
This free course, Digital skills: succeeding in a digital world, will develop your confidence and skills for life online, whether study, work or everyday life. It explores a range of digital skills and practices, including digital identity, digital well-being, staying safe and legal, finding and using information and online tools, and dealing ...
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Science, Maths & Technology
Univariate continuous distribution theory
This free course looks at a number of the basic properties of statistical models. Section 1 is concerned with the distributions of continuous random variables which are described by their probability density functions (pdfs) and cumulative distribution functions (cdfs). Section 2 is concerned with moments and covers, the concept of expectation ...