instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Diffraction is the phenomenon in which light and sound waves become circular at the point source of a barrier.
answer:
What is the phenomenon in which light and sound waves become circular at the point source of a barrier?


question:
Water contains 3 atoms.
answer:
How many atoms does water contain?


question:
The term "science" comes from a latin word that means having knowledge.
answer:
The term science comes from a latin word that means?