What is science?

The aim of this Web is to illustrate some basic ideas of science, but what is science?

• In a very simple way, we can say that science is knowledge.

Knowledge about how planets move making their characteristic orbits or why it rains, understanding how plants make oxygen or humans consume it.

Really, it is not so easy. Whatever information about our world is not consider science. Information must be obtained in a systematic way. This is not the site to discuss the precise meaning of this, but you should know that acquire scientific knowledge is a hard work. Scientists have to make suppositions about how the world function, to design clear and repetitive experiments to verify if those assumptions are correct, and then to elaborate theories trying to generalize the results obtained in order to be able to predict natural phenomena object of study.

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