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Have you ever wondered how scientists analyse the environment? This free course, Practising science: Reading the rocks and ecology, introduces you to the techniques used by science students at residential schools. You will learn how to determine where rocks have come from and how they were made. You will also examine the processes involved in determining the ecology of a particular area.
After studying this course, you should be able to:
- explain the difference between a mineral and a rock
- describe the textural differences between igneous, sedimentary and metamorphic rocks
- account for these differences in terms of the processes that produce these rocks
- classify igneous rocks according to their grain size and mineralogical composition
- recognise the difference between a body fossil and a trace fossil.
- Learning outcomes
- 1 Earth Sciences: reading the rocks
- Current section: 1.1 About this course
- 1.2 The Earth's crust
- 1.3 Minerals and rocks
- 1.4 The formation of igneous rocks
- 1.5 The formation of sedimentary rocks
- 1.6 The formation of metamorphic rocks
- 1.7 Interlude
- 1.8 Geological fieldwork
- 1.9 The rock cycle
- 1.10 Changing sea-level
- 1.11 Summary
- Current section:
- 2 What is ecology?
- Keep on learning
Study this free course
Enrol to access the full course, get recognition for the skills you learn, track your progress and on completion gain a statement of participation to demonstrate your learning to others. Make your learning visible!
1 Earth Sciences: reading the rocks
1.1 About this course
Science is all about knowledge, what we know about the material world and the Universe in which our world is just a microscopic speck. The aim of scientists is to extend the frontiers of this knowledge so that we can understand more about the physical Universe and the life within it.
Scientists acquire knowledge by engaging in four fundamentally important and connected tasks. The first is observation: they observe the natural world and the space beyond it, and both describe and record what they see. Second, they construct hypotheses to explain what they see. Third, they carry out experiments where possible to test their hypotheses. Finally they communicate their findings – to other scientists who will build on this work to extend knowledge still further, to technologists who will devise practical applications for scientific knowledge, and to the general public to raise awareness of scientific discovery. The way in which science is communicated to interested parties is especially important because scientific knowledge is useless if no one else can understand it.
This course introduces some of the background needed for students taking part in the earth science and ecology activities which often take place at science residential schools. At such schools, students normally undertake laboratory and field based activities in earth science, biology, physics and chemistry.
In August 2006 Radio 4 Material World broadcast three programmes from Open University Residential Schools, including SXR103 Practising Science. To listen to the programme go to http://www.bbc.co.uk/radio4/science/thematerialworld_20060810.shtml.
This free course includes adapted extracts from an Open University course which is no longer available to new students. If you found this interesting you could explore more free Geology courses or view the range of currently available OU Geology courses.
Copyright & revisions
Originally published: Thursday, 24th March 2016
Last updated on: Thursday, 24th March 2016
- Creative-Commons: The Open University is proud to release this free course under a Creative Commons licence. However, any third-party materials featured within it are used with permission and are not ours to give away. These materials are not subject to the Creative Commons licence. See terms and conditions. Full details can be found in the Acknowledgements and our FAQs section.
- This site has Copy Reuse Tracking enabled - see our FAQs for more information.
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