物理学是一门自然科学。 这个自然科学的分支学科主要研究物质和能量。 物理学研究的主题通常包括力学，微积分，电学，磁学，热力学和光学。

Courses are academic classes taught by qualified instructors that are intended to enhance participant’s knowledge of a given area or training in a particular discipline. Courses vary broadly in terms of length, size, content and duration.