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.
free course icon
level 1: introductory icon
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 icon
level 3: advanced 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 icon
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...
free course icon
level 1: introductory icon
Badge icon
Science, Maths & Technology
Moons of our Solar System
In this free course, Moons of our Solar System, explore the many moons of our Solar System. Find out what makes them special. Should we send humans to our Moon again?
free course icon
level 1: introductory icon
Science, Maths & Technology
Data analysis: hypothesis testing
Making decisions about the world based on data requires a process that bridges the gap between unstructured data and the decision. Statistical hypothesis testing helps decision-making by formulating beliefs about the world, including people, organisations or other objects, and formally testing these beliefs. In this free course, you will ...
free course icon
level 1: introductory icon
Science, Maths & Technology
Data analysis: visualisations in Excel
Evidence comes in the form of qualitative or quantitative data about the world around you. It is not always obvious, however, how to structure, aggregate, analyse or interpret the data to help you make decisions. In this free course, you will look at how to use data to make decisions in a systematic way using Microsoft Excel. Microsoft Excel ...
free course icon
level 3: advanced icon
Science, Maths & Technology
Engineering: environmental fluids
This course introduces the properties of the atmosphere and how wind movements arise and are affected by pressures and the Earth’s motion, development of weather system, moving onto the Earth’s oceans and seas. Understanding how ocean movements are generated and sustained in the form of waves, tides, flows and currents is important in many ...
free course icon
level 1: introductory icon
Badge icon
Science, Maths & Technology
Microgravity: living on the International Space Station
This free badged open course, Microgravity: living on the International Space Station, will help you to consider microgravity environments in more detail than before! You will make direct comparisons of some important physical values between the International Space Station (ISS), the Earth and the Moon.
free course icon
level 2: intermediate icon
Badge icon
Science, Maths & Technology
COVID-19: Immunology, vaccines and epidemiology
This free badged course, COVID-19: Immunology, vaccines and epidemiology, explains how antibodies protect against viral infections and how the incidence of antibodies can be used to track an epidemic. The course incorporates an interactive on-line assay (ELISA) of the type that is used to detect antibodies against COVID-19 infection. The samples...
free course icon
level 3: advanced icon
Science, Maths & Technology
Introduction to complex analysis
This free course, Introduction to complex analysis, is an extract from the third level Open University course M337 Complex Analysis, which develops the theory of functions of a complex variable, emphasising their geometric properties and indicating some applications.
free course icon
level 1: introductory icon
Badge icon
Science, Maths & Technology
Understanding science: what we cannot know
This free course, Understanding science: what we cannot know, investigates the boundaries of our understanding across numerous scientific fields. It asks whether it's possible that we will one day know everything, or whether some knowledge will always lie beyond the bounds of human comprehension.
free course icon
level 1: introductory icon
Science, Maths & Technology
Introducing technology and innovation management
This free course will introduce you to technology and innovation management and is relevant to managers and students of technological innovation. You will learn about innovation types and processes, how innovation can add or create value, and about the management activities that underpin the innovation and value creation process. You do not ...