TASK DEFINITION: Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
PROBLEM: Fact: a planet rotating causes cycles of day and night on that planet

SOLUTION: At any given time on earth, some countries can be in bed and other are in the middle of the day enjoying the outdoors, why?

PROBLEM: Fact: summer is when a hemisphere is tilted towards the sun

SOLUTION: Summer is the season where?

PROBLEM: Fact: if a population decreases to zero then that organism is extinct

SOLUTION:
How low must be a population of some species drop before it is extinct?