Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Ex Input:
Question: What device is used to stop a current in a circuit? Answer: a switch

Ex Output:
Understand current as it passes through a series circuit.

Ex Input:
Question: What is the term for the gases that surround a planet? Answer: the atmosphere

Ex Output:
An atmosphere is the gases that surround a planet. The early Earth had no atmosphere. Conditions were so hot that gases were not stable.

Ex Input:
Question: Metals are elements that can conduct what? Answer: electricity

Ex Output:
Metals are elements that can conduct electricity. Most elements are metals.