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 9 different subject areas. Our courses are available to start right away.
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Science, Maths & Technology
Minerals and the crystalline state
Rocks are made of minerals and, as minerals are natural crystals, the geological world is mostly a crystalline world. This free course, Minerals and the crystalline state, introduces the study of minerals and crystal structures, using online text and interactive activities, including questions and answers, video clips, slidecasts and a Digital Kit.

Science, Maths & Technology
Succeed with maths: part 2
This free course, Succeed with maths: part 2, is a sequel to Part 1, in which you will continue to develop your mathematical knowledge and skills using everyday examples. The course takes a look at measurement of length, mass and volume, negative numbers and how to use these, scientific notation (based upon powers of 10), shapes and how to ...

Science, Maths & Technology
Seeing the light
This free course, Seeing the light, will teach you about how the Sun affects your home, both in terms of light and warmth and the energy it generates. You will learn about how it can affect your health and well-being, and how different climates design their homes differently to maximise the benefits of the Sun.

Science, Maths & Technology
Personal development planning for engineering
This free course, Personal development planning for engineering, has been written in keeping with the requirements of UK-SPEC and the professional engineering institutions (e.g. ImechE, IET etc). It will provide you with a range of relevant information and guidance in critically assessing and scrutinising your career development aspirations.

Science, Maths & Technology
The oceans
The oceans cover more than 70 per cent of our planet. In this free course, The oceans, you will learn about the depths of the oceans and the properties of the water that fills them, what drives the ocean circulation and how the oceans influence our climate.

Science, Maths & Technology
Innovation through representation
Innovations are realised through design, and some of the most useful tools in the designer's toolbox are the representations that are used to move from a vague idea, to a concept, and then to a realised product, service or system. This free course, Innovation through representation, explores what innovation is and how representations are used to...

Science, Maths & Technology
Software and the law
In this free course, Software and the law, you'll look at the laws relevant to software and its use, taking a global perspective. A major part of this course is devoted to intellectual-property law, the issue of who owns software and digital content and how that ownership can be protected using instruments like copyright and patents. We also...

Science, Maths & Technology
Introduction to finite element analysis
What is finite element analysis (what is it and why do we carry it out? This free course, Introduction to finite element analysis, introduces the essence of finite element analysis. As an example of its use, you will look at the case of FEA of the tub of a racing car. You will also have the opportunity to try out two exercises to carry out a ...

Science, Maths & Technology
What chemical compounds might be present in drinking water?
Do you want to know what’s in the water that you drink? This free course, What chemical compounds might be present in drinking water?, examines the chemical compounds that occur in drinking water. A high level of certain anions in water can cause environmental pollution and health problems. Cations are also important. For example, calcium salts ...

Science, Maths & Technology
Basic science: understanding experiments
This free course, Basic science: understanding experiments, introduces you to science-based skills through simple and exciting physics, chemistry and biology experiments.

Science, Maths & Technology
Prices, location and spread
The free course, Prices, location and spread, explores aspects of the question Are people getting better or worse off? It covers statistical measures characterising the location of a batch of data (the median and the mean), and looks further at weighted means and at the interquartile range as a measure of spread (variability). Boxplots and ...

Science, Maths & Technology
In the night sky: Orion
In this free course, In the night sky: Orion, you will explore the night sky, discover how stars formed and find out about exoplanets, all through the constellation of Orion.