Given a scientific question, generate a correct answer to it.

Example Input: Carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur are basic elements that form what type of compounds, which are vital to life?
Example Output: organic compounds

Example Input: What current-carrying long coil of wire acts as a magnet?
Example Output: solenoid

Example Input: What branch of science is the study of matter and energy?
Example Output:
physical science