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.
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Question: Question: When heat flows into an object, its thermal energy increases and so does its what? Answer: temperature

Answer: When heat flows into an object, its thermal energy increases and so does its temperature.

Question: Question: What is the part of the shadow that is partially lit called? Answer: penumbra

Answer: The penumbra is the part of the shadow that is partially lit.

Question: Question: What is the role of the sodium ion in the neutralization reaction of sodium flouride? Answer: spectator ion

Answer:
Since sodium fluoride is soluble, the sodium ion is a spectator ion in the neutralization reaction. The fluoride ion is capable of reacting, to a small extent, with water, accepting a proton.