You're probably thinking of the Scientific Method, a six step process by which scientists get stuff done. Here it is:
1 - state a problem or question
2 - gather information
3 - formulate a hypothesis (an educated guess)
4 - test your hypothesis (often with an experiment)
5 - analyze your data
6 - draw a conclusion
Is a process used by scientists to find answers to questions or solve a problem
The (blank) is a process used by scientists to find answers to questions or solve a problem? The Answer To That Is (Scientific Method)
A process used by scientists used for studies of the natural world
scientific method
Rational thought.
The scientific method.
Scientific method
scientific method
scientific method
The scientific method.
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scientific method