instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Changing the shape of an elastic material gives it potential energy.
answer:
Changing the shape of an elastic material gives it what type of energy?


question:
Just as salty taste involves perception of sodium ions in saliva, sweet taste correlates with presence of glucose.
answer:
Just as salty taste involves perception of sodium ions in saliva, what taste correlates with presence of glucose?


question:
You call air flowing over earth’s surface wind.
answer:

What do you call air flowing over earth’s surface?