Turn the given fact into a question by a simple rearrangement of words. This typically involves replacing some part of the given fact with a WH word. For example, replacing the subject of the provided fact with the word "what" can form a valid question. Don't be creative! You just need to rearrange the words to turn the fact into a question - easy! Don't just randomly remove a word from the given fact to form a question. Remember that your question must evaluate scientific understanding. Pick a word or a phrase in the given fact to be the correct answer, then make the rest of the question. You can also form a question without any WH words. For example, "A radio converts electricity into?"

[EX Q]: Fact: Smoking pipes decreases stamina.
[EX A]: What decreases stamina?

[EX Q]: Fact: liquid propane is used to expand hot air balloons.
[EX A]: How is liquid propane used in hot air ballooning?

[EX Q]: Fact: Microscopes enable a person to observe a material up close.
[EX A]:
What sort of thing does a microscope enable someone to see up close?

