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.

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Grid List Results: 297 items
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Exploring data: Graphs and numerical summaries free course icon Level

Science, Maths & Technology

Exploring data: Graphs and numerical summaries

This free course, Exploring data: graphs and numerical summaries, will introduce you to a number of ways of representing data graphically and of summarising data numerically. You will learn the uses for pie charts, bar charts, histograms and scatterplots. You will also be introduced to various ways of summarising data and methods for assessing ...

Free course
20 hrs
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Creating musical sounds free course icon Level

Science, Maths & Technology

Creating musical sounds

Please note: This course contains several Flash activities which are no longer playable. These are 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.

Free course
20 hrs
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Visualisation: visual representations of data and information free course icon Level

Science, Maths & Technology

Visualisation: visual representations of data and information

Modern society is often referred to as 'the information society' - but how can we make sense of all the information we are bombarded with? In this free course, Visualisation: visual representations of data and information, you will learn how to interpret, and in some cases create, visual representations of data and information that help us to ...

Free course
8 hrs
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Introduction to group theory free course icon Level

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 ...

Free course
16 hrs
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Introduction to microscopy free course icon Level

Science, Maths & Technology

Introduction to microscopy

This free course provides an introduction to microscopy and the operation of a simple light microscope, of the type found in histology courses and teaching laboratories. It outlines different methods used for preparing and staining tissue sections for microscopy, and explains how different stains can be used to identify particular cells, ...

Free course
3 hrs
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Gene testing free course icon Level

Science, Maths & Technology

Gene testing

This free course, Gene testing, looks at three different uses of genetic testing: pre-natal diagnosis, childhood testing and adult testing. Such tests provide genetic information in the form of a predictive diagnosis, and as such are described as predictive tests. Pre-natal diagnosis uses techniques such as amniocentesis to test fetuses in the ...

Free course
4 hrs
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Introduction to differentiation free course icon Level

Science, Maths & Technology

Introduction to differentiation

This free course is an introduction to differentiation. Section 1 looks at gradients of graphs and introduces differentiation from first principles. Section 2 looks at finding derivatives of simple functions. Section 3 introduces rates of change by looking at real life situations. Section 4 looks at using the derivative of a function to deduce ...

Free course
18 hrs
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Toys and engineering materials free course icon Level

Science, Maths & Technology

Toys and engineering materials

This free course, Toys and engineering materials, introduces engineering in context. It explores the variation in materials and composite materials, and provides real-life examples of material use in the manufacture of toys, and how the development of materials over time has influenced design.

Free course
10 hrs
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Transport and sustainability free course icon Level

Science, Maths & Technology

Transport and sustainability

This free course, Transport and sustainability, explores the issues around sustainable transport and how the role of technology and society can interact to lower the overall impact of transport.

Free course
12 hrs
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An introduction to electronics free course icon Level

Science, Maths & Technology

An introduction to electronics

Electronics is fundamental to modern life. Using an interactive website, videos, and easy-to-use electronic circuit design and simulation software, this free course, An introduction to electronics, will show how electronic devices and systems pervade everything we do, and teach some of the basic ideas.

Free course
10 hrs
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Protocols in multi-service networks free course icon Level

Science, Maths & Technology

Protocols in multi-service networks

The internet, like the telephone system which preceded it, depends for its existence on communications networks. This free course, Protocols in multi-service networks, examines these networks as the means of interconnecting devices so that two-way communication is possible. Examining protocols like HTTP, TCP/IP and ATM as well as the OSI ...

Free course
30 hrs
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General principles of cellular communication free course icon Level

Science, Maths & Technology

General principles of cellular communication

Learn about how cells sense and respond to extrinsic stimuli, a capacity that allows them to communicate with each other and to respond to changes in their environment. This free course, General principles of cellular communication, explains cell signalling pathways in general terms and identifies some of the universal characteristics of ...

Free course
8 hrs