An example of a grad-school level question?
To compare the hardness of different minerals, it would be BEST to find

I just took a test in school today. What question was I asked?

Question I was asked: A student wants to find the most accurate account of a scientific discovery that took place within the past three months. In which of these sources should the student look?

Random question?

Which process in the water cycle returns water from the surface of Earth to the atmosphere?

Generate a question

Question generated: Which statement describes all matter?

Problem: Write a question you would see in a school textbook.

Answer: Lichens are symbiotic organisms made of green algae and fungi. What do the green algae supply to the fungi in this symbiotic relationship?

Problem: Write a question you would see in a school textbook.

Answer:
Which type of organism would most likely benefit directly from increased levels of CO_{2}?