instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Some materials have negative heats of solution; the dissolution of one of these solutes in water is called?
answer:
Some materials have negative heats of solution; the dissolution of one of these solutes in water is called?


question:
Seismologists originally measured the intensity of an earthquake with the mercalli scale.
answer:
How did seismologists originally measure the intensity of an earthquake?


question:
The energy transformations that occur when a candle burns is described by: chemical energy from the wax is converted into light and heat energy.
answer:
Which statement best describes the energy transformations that occur when a candle burns?