TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: A student should use a balance to compare the masses of two small rocks.

SOLUTION: Which tool should a student use to compare the masses of two small rocks?

PROBLEM: Constructive interference is when two waves combine to create a larger wave.

SOLUTION: What is it called when two waves combine to create a larger wave?

PROBLEM: The thalamus helps to regulate consciousness, arousal, and sleep states.

SOLUTION:
What helps to regulate consciousness, arousal, and sleep states?