Question

why is \which of the great lakes is the largest body of water?\ a good scientific question?
it can be answered through an investigation.
it has a simple yes or no answer.
it has a wide focus.
it leads to an untestable hypothesis.

Explanation:

A good scientific question should be testable and answerable through investigation. This question about the Great Lakes can be investigated by measuring and comparing the water volumes of the lakes. A question with a simple yes - no answer (e.g., "Is Lake Superior part of the Great Lakes?") is too simplistic for a scientific exploration. A wide - focus question (e.g., "What are all the characteristics of the Great Lakes?") is too broad. A question that leads to an untestable hypothesis (e.g., "Do the Great Lakes have a magical quality?") is not scientific. So, the reason "It can be answered through an investigation" makes it a good scientific question.

Answer:

It can be answered through an investigation.