Wednesday 27 July 2011

To make a hypothesis

How to construct or make a hypothesis?

First, you must understand that a hypothesis is a statement that relates a manipulated variable with a responding variable.
Therefore, you must be able to identify the manipulated variable and the responding variable for an experiment.

For example, in experiment to determine the effect of temperature on the rate of reaction between sodium thiosulphate and sulphuric acid.

The manipulated variable is temperature,  and the responding variable is rate of reaction.

Therefore, the statement of hypothesis is: When the temperature of sodium thiosulphate increases, the rate of reaction with sulphuric acid increases.

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