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.
--------
Question: Fact: the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side

Answer: The earth receives uneven amounts of UV rays due to?


Question: Fact: down feathers are a thermal energy insulator

Answer: The purpose of bird feathers, especially down, is to?


Question: Fact: as lightness in color of an object increases , the ability of that object to reflect light will increase

Answer:
What impacts an objects ability to reflect light?