A scientific theory is a well-established idea which explains the natural phenomenon or event in-depth.
The scientific theory is considered an elaborative form of the scientific hypothesis which explains the phenomenon. The theory gives an idea about how the process takes place.
The theory is established when it supported by the evidence provided by the experimenter and the experiments of other researchers.
"F many scientists conduct the same or similar experiments, and all obtain similar results a 'Scientific Law or Theory' can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works