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.
- All topics
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level 1: introductory icon
Science, Maths & Technology
What is a metal?
This free course, What is a metal? explores the main characteristic properties of metals and their varied use in our everyday lives. Each metal has its own personal signature and you will undertake an online experiment to identify individual metals.
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level 2: intermediate icon
Science, Maths & Technology
Astronomy: images of the Universe
Modern astronomy utilises a range of techniques across the electromagnetic spectrum that allow astronomers to measure the brightness, size and shape of astronomical objects, as well as their structure in many cases. This free course enables you to explore multiwavelength images of the Universe and make your own measurements of stars, nebulae and...
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level 2: intermediate icon
Science, Maths & Technology
Fire ecology
This course explores the role of fire as a natural disturbance in ecosystems. It introduces the concept of a fire regime and its influence on the type and distribution of organisms that occur in fire prone ecosystems. It also looks at some of the adaptations of plants that have evolved in these ecosystems and how animals either avoid or exploit ...
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level 3: advanced icon
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 ...
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level 1: introductory icon
Nature & Environment
Studying mammals: Chisellers
Ever wondered why rats, mice and squirrels seem to reproduce at such an alarming rate? Rodents are among the most successful of all the mammal groups. In this free course, Studying mammals: Chisellers, you will learn more about some of the evolutionary features that make these creatures so plentiful. This is the third course in the Studying ...
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level 2: intermediate icon
Science, Maths & Technology
Kinematics of fluids
This free course examines the basic kinematics of two-dimensional fluid flows. Section 1 introduces the differential equations for pathlines and streamlines. Section 2 introduces a scalar field, called the stream function, which for an incompressible fluid provides an alternative method of modelling the flow and finding the streamlines. Sections 2 ...
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level 1: introductory icon
Science, Maths & Technology
Ethics in science?
This free course, Ethics in science? discusses how scientists have a moral and ethical responsibility to consider whether they should carry out an experiment. In this short course you will learn of the first clinical trials undertaken for scurvy and small pox and gain an understanding of how much more rigorous today’s clinical trials are. You ...
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level 1: introductory icon
Science, Maths & Technology
Introducing vectors for engineering applications
Applied mathematics is a key skill for practicing engineers and mathematical modelling is an ever-increasing field within engineering. This free course, Introducing vectors for engineering applications, covers one aspect of a Level 1 engineering module, the application of vectors and vector algebra, using examples inspired by engineering ...
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level 3: advanced icon
Science, Maths & Technology
Working on your own mathematics
This free course, Working on your own mathematics, focuses on your initial encounters with research. It invites you to think about how perceptions of mathematics have influenced you in your prior learning, your teaching and the attitudes of learners.
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level 1: introductory icon
Nature & Environment
Introducing mammals
Mammals come in a bewildering variety of shapes and sizes, and yet all species have some characteristics in common. These similarities justify the inclusion of all such diverse types within the single taxonomic group (or class) called the Mammalia. This free course, Introducing mammals, offers a starting point for the study of mammals. It will ...
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level 1: introductory icon
Science, Maths & Technology
Diagrams, charts and graphs
Diagrams, charts and graphs are used by all sorts of people to express information in a visual way, whether it's in a report by a colleague or a plan from your interior designer. This free course will teach you how to interpret these tools and how to use them yourself to convey information more effectively.
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level 3: advanced icon
Science, Maths & Technology
Mosquito resistance to insecticides
Learn about how allele frequency can change rapidly in a population in response to selective pressure by considering how evolutionary change can occur in insects that are exposed to insecticides. This free course, Mosquito resistance to insecticides, further demonstrates how traits that are advantageous in one environment can have effects that ...