instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
In science, something that always applies under the same conditions is called a scientific law.
answer:
In science, what do you call something that always applies under the same conditions?


question:
The bones of the newborn skull are not fully ossified and are separated by large areas called fontanelles.
answer:
The bones of the newborn skull are not fully ossified and are separated by large areas called what?


question:
The term half-life decribes the amount of time required for half of the original material to decay in an isotope.
answer:
What term decribes the amount of time required for half of the original material to decay in an isotope?