Given the task definition and input, reply with output. Given a scientific passage and an answer, generate a question for the given answer.

Passage: Physical science, in turn, can be divided into chemistry and physics. Chemistry is the study of matter and energy at the scale of atoms and molecules. For example, the synthetic fibers in the swimmer's suit were created in labs by chemists. Physics is the study of matter and energy at all scalesfrom the tiniest particles of matter to the entire universe. Knowledge of several important physics conceptssuch as motion and forcescontributed to the design of the swimmer's suit. Answer: chemistry
The physical sciences can be divided into physics and what other science?