Answer the following question given this paragraph: 

A scientist is always trying to find the truth and discover new truths. How can you think like a scientist? Thinking like a scientist is based on asking and answering questions. Though you may not know it, you do this all day long. Scientists ask questions, and then make detailed observations to try to ask more specific questions and develop a hypothesis . They may design and perform an experiment to try to answer their question and test their hypothesis. From the results of their experiment, scientists draw conclusions . A conclusion describes what the evidence tells the scientist.


Q: Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what?

 Choices:

- Tests

- suggests

- theories

- hypothesis

A:
hypothesis
