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.

Fact: if an object is hot then the surfaces of that object are hot
Which of these is likely to get hot?

Fact: if food is not immediately used by the body for energy then that food will be stored for future use
if a person takes in more food than their body needs at the time, what happens?

Fact: if members of a species are born then the population of that species increases

if members of a species are born then the species what increases?