Final answer:
A hypothesis is a testable and falsifiable supposition in science, serving as the basis for experiments that lead to its acceptance or rejection based on the evidence collected.
Step-by-step explanation:
A hypothesis is a supposition that serves as a starting point for scientific investigation. Researchers test hypotheses by collecting and evaluating facts to determine their acceptance or rejection. For a hypothesis to be considered scientific, it must be testable and falsifiable through experimentation or observation. This means that there should be a way to design an experiment where the hypothesis could be disproven if it is not correct.
In simpler terms, a hypothesis is a tentative explanation or prediction that is proposed based on current scientific knowledge. It should be logical and straightforward, and most importantly, it should bridge the gap between theoretical ideas and real-world phenomena. The process often involves making an 'if-then' statement that predicts what would happen under certain conditions if the hypothesis is true.
Hypotheses are crucial for the scientific method as they guide the design of experiments and studies. When evidence from these experiments supports a hypothesis, it becomes more likely accepted as a correct or valid explanation of the observed phenomena. Conversely, if the evidence does not support the hypothesis, it must be revised or rejected. Repeated testing and potential rejection are fundamental aspects of the scientific process, ensuring that our understanding of the natural world is robust and reliable.