How can scientific method be use in solving practical problem?

You need to follow certain procedure to solve a problem using a scientific approach, you may try the steps provided below:

First, know your problem - what is it really that you want to find out or learn?. Second, gather facts about the problem -observe the things and events concerned in the problem. Third, record all observation carefully and plan a tentative answer to the problem, but give no conclusion yet. Fourth, experiment to verify the correctness of your answer and record your findings and results. Fifth, if all experiments and observation lead to a common conclusion, a final answer to the problem may be given.