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Water for life

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Atoms, elements and molecules are the building blocks of everything that makes up our world, including ourselves. In this free course, Water for life, you will learn the basic chemistry of how these components work together, starting with a chemical compound we are all very familiar with water.

After studying this course, you should be able to:

  • read data presented in tables
  • use scientific notation to express both large and small quantities
  • appreciate why chemists use different models to represent molecules
  • identify the number and type(s) of atom present in a molecule from its chemical formula
  • identify the reactants and products of a reaction in a chemical equation.

By: The Open University

  • Duration 15 hours
  • Updated Wednesday 28th September 2016
  • Introductory level
  • Posted under Environmental Studies
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Water for life


Unit image

This course is an introduction to chemistry concepts, using water as the main illustration. Much of the course is devoted to exploring the smallest water particle - a water molecule - what it is and how it gives rise to the particular properties of water. The course also explains powers of ten and scientific notation, which are a convenient way of expressing both very large and very small numbers. It is a good introduction to science.

This OpenLearn course provides a sample of level 1 study in Environment & Development [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]

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