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.

[EX Q]: Fact: the looseness of soil increases the amount of oxygen in that soil
[EX A]: If soil is loose, it makes it what for oxygen to get in?

[EX Q]: Fact: bacteria can help digest food in humans
[EX A]: In humans, bacteria can help digest what?

[EX Q]: Fact: An example of collecting data is measuring
[EX A]:
A person wants to discover how much time they've spent on something, so when they think about data, they need to?