Answer: Hypothesis
Step-by-step explanation:
A hypothesis is a presumed statement for the cause of natural event, process or phenomena. A hypothesis is developed through assumption. A hypothesis can be tested using experimental procedure in which the data obtain will state whether the stated hypothesis is true or false.
After asking a question related to the natural event, process or phenomena the scientists can frame a hypothesis. It is an idea which can be proved or disproved by the experiment.