Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: The long, threadlike extensions of the nerve cell help transmit nerve impulses.
Example Output: Which part of the nerve cell helps transmit nerve impulses?

Example Input: Lead sulfate is the white solid that forms on corroded battery terminals.
Example Output: What is the white solid that forms on corroded battery terminals?

Example Input: Kinetic energy is the energy of motion.
Example Output:
Kinetic energy is the energy of what?