instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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:
Although they differ vastly in hardness, pencil lead and diamonds both contain carbon.
answer:
Although they differ vastly in hardness, pencil lead and diamonds both contain what element?

question:
Rounding is when one or more ending digits are dropped to get the correct number of significant figures.
answer:
What is it called when one or more ending digits are dropped to get the correct number of significant figures?