Answer:
A good scientific question has certain characteristics. It should have some answers (real answers), should be testable (i.e. can be tested by someone through an experiment or measurements), leads to a hypothesis that is falsifiable (means it should generate a hypothesis that can be shown to fail), etc.
A set of informal "rules" or "tools":
Makes the process clearer to all scientists
Gives us a better understanding of the world around us
Explanation:
Observations - Questions - Hypothesis - Predictions - Test: Experiment or additional observation - Draw conclusions -
If the test does not support hypothesis, revise hypothesis or pose new one
If test supports hypothesis, make additional predictions and test them
