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- Science is the way by which a person gets at the truth or at least as close to truth as possible.
- The basis of science is its orderly stepwise procedure - the scientific method.
- Scientific method employs various procedures such as, accurate observation, asking questions about the observation and finding out possible answers to formulate a hypothesis.
- Whether the hypothesis is right or wrong can only be decided by putting it to a test or experimenting. It requires scientific skill, careful collection of data, their analysis and interpretation.
- Any experiment conducted without running a control becomes invalid.
- If a hypothesis is experimentally proved and tested by repeated experiments, it is changed into a theory.
- A theory may or may not be approved by scientists. It may be subjected to modification as more and more additional information is gathered.
- Supporting a theory with more and more evidences helps in deriving a law.
- Science is not just a subject of study confined to laboratories or classrooms, but it forms a part of our daily life. It helps us to develop a scientific temperament.
- A large number of tools and techniques have been developed in the field of biology enabling us to study all the finer aspects of life.
- Much of the information on life processes has come from the studies made with the help of electron microscopes.
- chemistry, X-ray diffraction etc. have helped in understanding life processes.
- Several sophisticated techniques like chromatography, histo

