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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Grid List Results: 244 items
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Number theory free course icon level 2: intermediate icon

Science, Maths & Technology

Number theory

This free course is an introduction to Number Theory. Section 1 provides a brief introduction to the kinds of problem that arise in Number Theory. Section 2 reviews and provides a more formal approach to a powerful method of proof, mathematical induction. Section 3 introduces and makes precise the key notion of divisibility. The Division ...

Free course
16 hrs
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Seeing the light free course icon level 1: introductory icon

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.

Free course
10 hrs
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Exploring data: Graphs and numerical summaries free course icon level 1: introductory icon

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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Galaxies, stars and planets free course icon level 1: introductory icon

Science, Maths & Technology

Galaxies, stars and planets

This free course, Galaxies, stars and planets, is a general introduction, including scale of the universe from the very large to the very small; orbits and gravity; the Solar System; the Sun and other stars; galaxies and the composition of astronomical objects.

Free course
8 hrs
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Geological processes in the British Isles free course icon level 2: intermediate icon

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 ...

Free course
9 hrs
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Scholarship of Teaching and Learning in STEM free course icon level 3: advanced icon Badge icon

Science, Maths & Technology

Scholarship of Teaching and Learning in STEM

This free course, Scholarship of Teaching and Learning in STEM, provides a toolkit for conducting Scholarship of Teaching and Learning (SoTL) within Science, Technology, Engineering and Mathematics (STEM). SoTL involves educators using their disciplinary knowledge to investigate a question about learning and teaching, gather evidence in a ...

Free course
24 hrs
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An introduction to computers and computer systems free course icon level 1: introductory icon

Science, Maths & Technology

An introduction to computers and computer systems

This free course, An introduction to computers and computer systems, challenges how we view computers through the examples of processors in kitchen scales and digital cameras, as well as examining the work of art that, at heart, is a computer. You will also explore how computers are connected together to achieve even more than when working alone.

Free course
16 hrs
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Introduction to cyber security: stay safe online free course icon level 1: introductory icon Badge icon

Science, Maths & Technology

Introduction to cyber security: stay safe online

This free course, Introduction to cyber security: stay safe online, will help you to understand online security and start to protect your digital life, whether at home or work. You will learn how to recognise the threats that could harm you online and the steps you can take to reduce the chances that they will happen to you.

Free course
24 hrs
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Ratio, proportion and percentages free course icon level 1: introductory icon

Science, Maths & Technology

Ratio, proportion and percentages

From politics to cookery, ratios, proportions and percentages are part of everyday life. This free course is designed to help you become more familiar with how figures can be manipulated, then you can check whether that discount really is as big as they claim!

Free course
5 hrs
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Toys and engineering materials free course icon level 2: intermediate icon

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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Smart cities free course icon level 1: introductory icon Badge icon

Science, Maths & Technology

Smart cities

This free course will help you to navigate your own path through the complex landscape of smart cities. You’ll hear from smart city innovators and entrepreneurs, city leaders, communities and business, connecting with learners from around the world to reflect on issues facing smart cities of different sizes and situations.

Free course
24 hrs
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Studying natural sciences bilingually free course icon level 1: introductory icon

Science, Maths & Technology

Studying natural sciences bilingually

Thinking of studying a Natural Sciences course? Considering studying through the medium of Welsh and want to know what the benefits are? Not sure whether your Welsh is good enough? If you’re reading this article, it’s quite possible you’ve thought about these questions. This article aims to answer these questions, and show how studying ...

Free course
1 hr