Final answer:
The term for the steps taken by scientists to discover and investigate the world is the scientific method.
Step-by-step explanation:
The term for the steps taken by scientists to discover and investigate the world is the scientific method. The scientific method is a process that scientists follow to gain knowledge about the natural world. It begins with making observations and asking questions, then proceeds to formulating hypotheses, testing the hypotheses through experiments, analyzing the results, and drawing conclusions. This method can be modified to suit different situations and can be applied to various fields, not just science.