instruction:
Given a scientific passage and an answer, generate a question for the given answer.
question:
Passage: A metallic bond is the force of attraction between a positive metal ion and the valence electrons that surround itboth its own valence electrons and those of other ions of the same metal. The ions and electrons form a lattice-like structure. Only metals, such as the copper pictured in the Figure below , form metallic bonds. Answer: metallic bond
answer:
What is the force of attraction between a positive metal ion and valence electrons?

question:
Passage: Carolus (Carl) Linnaeus (1707-1778) ( Figure below ) built on Aristotle's work to create his own classification system. He invented the way we name organisms today, with each organism having a two word name. Linnaeus is considered the inventor of modern taxonomy , the science of naming and grouping organisms. Answer: taxonomy
answer:
What is the name of the science that is concerned with naming and grouping organisms?

question:
Passage: Conduction is the transfer of thermal energy between particles of matter that are touching. Thermal energy is always transferred from particles of warmer matter to particles of cooler matter. Answer: conduction
answer:
What do you call the transfer of thermal energy between particles of matter that are touching?