instruction:
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?"
question:
Fact: results are unpredictable when a population suddenly gets much smaller.
answer:
what are the results when a population suddenly gets much smaller?


question:
Fact: If weather is stormy then there is a greater chance of precipitation.
answer:
If the weather is stormy, there is a greater chance for what?


question:
Fact: when bats fly, chemical energy is converted to mechanical energy.
answer:

When is chemical energy converted to mechanical energy?