The Natural Sciences Department consists of the Biology Unit and the Physical Sciences Unit. The first offers courses in general biology, anatomy and physiology and microbiology. The second offers courses in chemistry, physics, astronomy and environmental science. The Department also offers courses in Concepts in Science.

The Biology and Physical Sciences Units offer courses for liberal arts students and for students who intend to continue study in the natural sciences. In addition, courses are offered for career-oriented programs in the health sciences areas such as radiologic technology, dental hygiene, pre-nursing and nursing.

Liberal Arts students are required to successfully complete eight credits in the Natural Sciences Department in one of the following sequences: General Biology (BIO 3902 and 3904); Anatomy and Physiology (BIO 3906 and 3908); General Chemistry (CHE 4002/4102 and CHE 4004/4104); Physics (PHY 4302/4402 and PHY 4304/4404 or PHY 4502 and 4504); or Environmental Science (ENV 4014 and ENV 4016). The General Biology and Environmental Science courses are offered in both English and Spanish.