Skip to content
Science, Maths & Technology

Science, Maths & Technology

The rules of the universe and how we work with them.

Science, Maths & Technology

Free courses

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.

Free badged courses

A growing selection of our courses offer a free Open University digital badge. Badges demonstrate your interest in a subject, a commitment to your career or provide evidence of continuing professional development.

Lunchtime learning

Got a few spare minutes? Brush up on your knowledge with our range of free bite-size courses and activities.

All topics
Grid List Results: 230 items
Succeed with maths – Part 2 Copyrighted image Icon Copyright: Stuart Miles at FreeDigitalPhotos.net free course icon Level 1 icon Badge icon

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 calculate their properties before finally turning to how to construct and read from tables, charts and graphs. It provides a solid foundation for you to continue with studies in any subject which requires some degree of mathematical knowledge.

Free course
24 hrs

Science, Maths & Technology 

Succeed with maths – Part 1

If you feel that maths is a mystery that you want to unravel then this free course is for you. It will guide you through how numbers are put together, give you confidence with using percentages, fractions and negative numbers and provide you with problem solving skills for your everyday life and the wider world.

Free course
24 hrs
Hearing Copyrighted image Icon Copyright: Used with permission free course icon Level 3 icon

Science, Maths & Technology 

Hearing

Hearing is a familiar and important human sense that is a topic naturally of interest to those who are curious about human biology. This free course will enable you to relate what you read to your own sensory experiences and indeed many of the questions asked have exactly that function. This course will be best understood by those with some biological understanding.

Free course
15 hrs
Smart cities Copyrighted image Icon Copyright: © vladimir zakharov/Getty Images free course icon Level 1 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
Returning to STEM free course icon Level 3 icon Badge icon

Science, Maths & Technology 

Returning to STEM

This free badged course, Returning to STEM, offers useful skills and solutions to help you get back into a career in science, technology, engineering or mathematics (STEM).

Free course
24 hrs
Learning to code for data analysis free course icon Level 1 icon

Science, Maths & Technology 

Learning to code for data analysis

This free course will teach you how to write your own computer programs, one line of code at a time. You'll learn how to access open data, clean it and analyse it and to produce visualisations. You will also learn how to write up and share your analyses, privately or publicly.

Free course
24 hrs
Mastering systems thinking in practice Copyrighted image Icon Copyright: © Peshkova/Getty Images Plus free course icon Level 3 icon Badge icon

Science, Maths & Technology 

Mastering systems thinking in practice

This free course, Mastering systems thinking in practice, provides a primer for someone wanting to take the postgraduate qualifications in Systems Thinking in Practice. It will help you develop new ways of thinking about and approaching situations that cross multiple discipline and skill boundaries. You will learn to think more holistically about complex and messy situations, understanding the roles other people play, taking account of the interconnectedness of all the components making up the problem situation and working more collaboratively

Free course
24 hrs
Introduction to algebra free course icon Level 1 icon

Science, Maths & Technology 

Introduction to algebra

This free course is an introduction to algebra which builds on the idea of using letters to represent numbers. Section 1 looks at finding, simplifying and using formulas and includes useful tips on learning algebra. Section 2 introduces some of the terminology used in algebra and techniques such as evaluating and checking equivalence of expressions, identifying terms in an expression and collecting like terms. Section 3 looks at how to simplify terms and introduces index notation and multiplying powers. Section 4 looks at the use of brackets in algebra and section 5 covers solving, checking and using simple linear equations.

Free course
16 hrs
Digital forensics free course icon Level 3 icon

Science, Maths & Technology 

Digital forensics

Digital evidence features in just about every part of our personal and business lives. Legal and business decisions hinge on having timely data about what people have actually done. This free course, Digital forensics, is an introduction to computer forensics and investigation, and provides a taster in understanding how to conduct investigations to correctly gather, analyse and present digital evidence to both business and legal audiences. It also outlines the tools to locate and analyse digital evidence on a variety of devices, how to keep up to date with changing technologies, and laws and regulations in digital forensics.

Free course
8 hrs
Introduction to cyber security: stay safe online Creative commons image Icon Atomic Taco in Flickr under Creative-Commons license free course icon Level 1 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
Pain and Aspirin Copyrighted image Icon Copyright: Used with permission free course icon Level 1 icon

Science, Maths & Technology 

Pain and Aspirin

What causes pain and how do we stop it? This free course, Pain and Aspirin, looks at how the human body responds to the release of certain chemicals and as a result feels pain. Pain can be reduced by inhibiting the formation of such chemicals and you will learn how the molecular structure of aspirin has been formulated to help in this process.

Free course
9 hrs
Volcanic hazards Copyrighted image Icon Copyright: Used with permission free course icon Level 1 icon

Science, Maths & Technology 

Volcanic hazards

This free course, Volcanic hazards, discusses the various hazards posed by different types of volcanic eruption, illustrated by examples from recent eruptions. The discussion is focused around reading Chapter 5 of Teach yourself volcanoes, earthquakes and tsunamis by OU volcanologist David Rothery.

Free course
10 hrs
Page 1 of 20
Page 1 of 20