TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The frequency of a wave is the reciprocal of the period of the wave.

SOLUTION: The frequency of a wave is the reciprocal of what other attribute of the wave?

PROBLEM: Windchill describes what the temperature feels like when the wind is taken into account.

SOLUTION: What weather term describes what the temperature feels like when the wind is taken into account?

PROBLEM: In places months crops grow only during part of the year, the land may be bare for a few.

SOLUTION:
In places where crops grow only during part of the year, the land may be bare for a few?