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Department majors and minors in the Sciences tend to be more "hierarchical" in terms of necessary requirements and prerequisites. For that reason, this section is devoted to general information about the departments in the Natural Science Division and advice for the firstyear student who needs to start their course work as soon as possible.
The Biology department provides students who major in biology with a solid foundation in modern biology and the opportunity for advanced and independent investigation within the framework of a liberal arts curriculum. Biology offers two disciplinary majors, a B.A. and a B.S., and a disciplinary minor.
More than 60% of biology students are actively engaged in a research or field study project each semester, both oncampus in stateoftheart labs and offcampus with local scientists and doctors, getting the handson experience that makes them stand out in the job market.
Hobart and William Smith students benefit from the Colleges' long and valuable relationship with Cornell's New York State Agricultural Experiment Station, located right in Geneva. Biology students work and study alongside Experiment Station scientists during the school year and summer, gaining significant exposure to applied research while making important contributions to experiment station projects.
Students interested in pursuing careers in medicine also have access to clinical internships, skill training and direct patient care experiences through a special partnership with Finger Lakes Health, a local health system with 75 staff physicians and a broad range of primary and specialty services located just one mile from campus.
The First Year
Students interested in biology should take two science courses in their Fall semester. One of these should be a BIOL160level Introductory Topics course. The second science course should be either CHEM 110 Molecules that Matter, MATH 130 Calculus I, or, if appropriate, Math 100 Elementary Functions. Students interested in medicine or a healthrelated field should consult the information for prehealth professions.
The Biology and Chemistry departments offer a joint major to those students interested in both biology and chemistry. The Biochemistry major consists of core courses from the biology and chemistry departments, cognates in math and physics, and a capstone seminar experience. The required biology courses include BIOL 167, 212, 220, 232, 236 and a 300level cell/molecular biology course. The required chemistry courses include CHEM 110, 240, 241, 280, 320, 448 and 449.
The Chemistry department is designed for students with a wide variety of interests and needs and is approved by the Committee on Professional Training of the American Chemical Society (ACS).
Students who are planning graduate work in chemistry, chemical engineering, biochemistry, or for those pursuing a career as a practicing industrial chemist, the ACScertified major in chemistry is highly recommended. Students interested in this program should plan their programs with the department chair as early as possible.
Students who are planning to enter medical or dental schools are advised to take the following courses in chemistry: 110, 240, 241, 280 and 448.
Chemistry offers two disciplinary majors, a B.A. and a B.S., and a disciplinary minor.
More than 90% of chemistry majors become actively engaged in research during their academic careers either during the semester or during the summer. Approximately 1215 students do research on campus each summer with chemistry faculty and another 2025 students typically do research during the academic school year. Some students start doing research during their first year.
Students interested in pursuing careers in medicine also have access to clinical internships, skill training and direct patient care experiences through a special partnership with Finger Lakes Health, a local health system with 75 staff physicians and a broad range of primary and specialty services located just one mile from campus.
The First Year
Students interested in chemistry or biochemistry as a major should take CHEM 110 Molecules that Matter and MATH 130 Calculus I in their first semester. In their second semester, students should take CHEM 240 Organic Chemistry I and continue calculus.
In a rapidly growing and changing field, the Computer Science department offers a range of courses that enable majors to use modern technology, to understand its applications across a broad range of disciplines, and to comprehend the fundamental and enduring principles underlying those applications.
The computer science department offers two disciplinary majors, a B.A. and a B.S., and one disciplinary minor.
The First Year
CPSC 120 (Principles of Computer Science) is a survey
course introducing the fundamental ideas of computer science.
Most students who take it do not plan to major in computer
science, but it can be counted towards a major or minor in
computer science if it is the first course taken in the
field.
CPSC 124 (Introduction to Programming) is the entrylevel programming course for students majoring or minoring in computer science. It is also appropriate for students interested in Java programming, even if they do not intend to continue in computer science. It has no prerequisites, but students who are uncomfortable with computers or with abstract thinking might consider taking CPSC 120 before taking CPSC 124. Many students, though not all, who take CPSC 124 have had at least some previous experience with programming.
In the Geoscience department at HWS, students are taught to monitor changes in the environment, to predict and evaluate how human activities may contribute to environmental change, and to manage the earth’s resources.
The study of geoscience provides students with a strong preparation for a variety of careers in government, industry and academia, including: environmental law, petroleum exploration, science teaching, science journalism, and research in geology, oceanography, climatology and meteorology.
The Geoscience program typically employs six to 12 students each summer to help with research. Most of these students go on and do an independent study, and/or honors projects, and present the results at national meetings. Occasionally, students write the peerreviewed scientific paper. Students also intern at other campus labs and environmental firms, but we like to keep the best students on campus to work with us.
The First Year
Students interested in geoscience are urged to take one of three introductory courses: GEO 150 Topics in Geoscience, GEO 170 The Solid Earth, or ENV 170 The Fluid Earth. All are introductory courses without prerequisites, all can be used toward a major or minor in geoscience. GEO 170 and ENV 170 are prerequisites for most other courses in geoscience. GEO 170 and ENV 170 are offered every semester; GEO 150 is offered annually. In addition, we recommend that students take one other science course, MATH 100 Elementary Functions, MATH 130 Calculus I, CHEM 110 Molecules that Matter, or PHYS 150 Introduction to Physics I.
Mathematics majors acquire skill in the use of mathematical methods for dealing with problems from a variety of disciplines, and complement these tools with some training in computer science. The math department offers two disciplinary majors, a B.A. and a B.S., and one disciplinary minor.
Mathematics Placement Testing
The Mathematics Placement Test (MPT) is an online multiplechoice test containing thirty (30) questions on topics such as algebra, trigonometry, and functions and graphs, which are prerequisites for many courses offered by the Department. Designed and administered by the Department of Mathematics and Computer Science at HWS, the MPT helps determine the appropriate mathematics course for each entering student. See the online placement
test at http://math.hws.edu/placement for more information.
All students who intend to take MATH 100 (PreCalculus), MATH 130 (Calculus I), MATH 131 (Calculus II) or MATH 135 (Steps into Advanced Mathematics) during the Fall Term of their first year are required to take the Mathematics Placement Test (MPT). If they have not taken the online test over the summer, they should consult a Math professor. Students not planning on taking a Math class in the fall term should delay testing until the term immediately preceding their enrollment.
Math Placement Test: Scores and Placements
To Enter... 
Less than 10  should consult Math faculty 
Math 100: Elementary Functions 
1019 
Math 130: Calculus I 
20 and above (if close to the cutoff and anxious about taking calculus, consult math faculty; may be better off in Math 100) 
Math 131 Math 135: First Steps Into Advanced Math 
20 or above and AP Calculus exam score of 4 or 5 25 or above and strong math background, Calculus in HS, or AP Calculus exam score of 4 or 5. Consult with Math faculty. 
Please Note: Students are not permitted to take Math 130, Calculus I, if they have Calculus Advanced Placement (AP) credit.
Introductory Math Courses
First a general reminder about 100level courses:
During the regular registrations period, registration of
Juniors and Seniors into 100level courses is restricted.
However, advisers should remember that Juniors and Seniors
can register for one of these courses during the regular
registration period under certain circumstances, in
particular: if it is required for a declared major or
minor; if it is approved by the adviser as counting towards
the goals; or if there is any "compelling programmatic
reason" for taking the course with approval of the adviser
and the course instructor.
Note that professors teaching introductory math courses, especially Math 110, sometimes have to turn away Seniors who say that they need the course to fulfill the Quantitative Reasoning Goal. Since those students need the course to address a Goal, they could have signed up for it during the regular registration period for Seniors, when the course still had plenty of room. advisers and students should be aware of this option.
Depending on their background and interests, students might take any of several mathematics courses as their first course in the Department. Students who are not sure what course they should take are advised to consult with the Mathematics Department. David Eck (x3398) is the current chair.
Because physics is the foundation upon which all other sciences and engineering are based, its study provides a strong background for students who plan careers in areas such as physics, astrophysics, astronomy, geophysics, oceanography, meteorology, engineering, operations research, teaching, medicine, and law.
In addition to offering a major and a minor program, the physics department administers a jointdegree program with Columbia University and the Thayer School of Engineering at Dartmouth. Upon completion of three years at HWS and two years at an engineering school, a student will receive a B.S. in engineering from the engineering school and either a B.A. or a B.S. from HWS. See the jointdegree programs website: http://www.hws.edu/academics/advising/joint_degrees.aspx
The First Year
Students interested in physics should take MATH 130 Calculus I and PHYS 150 Introduction to Physics I in the fall semester. For students not ready for calculus, a combination of MATH 100 Elementary Functions and PHYS 112 Astronomy will provide a suitable start.
The Psychology Department provides students with a broad introduction to the study of behavior and its underlying processes with an emphasis on the discipline as an experimental science.
Psychology offers two disciplinary majors, a B.A. and a B.S., and a disciplinary minor.
Students choose from a variety of introductory and advanced courses, each designed to provide students with a solid foundation in the study of behavior and its underlying processes.
Many Psychology majors choose to complete an Honors project on a topic of their interest. Most or all of the work associated with an Honors project is done in the senior year, though it may be begun earlier, and culminates in a research or critical paper or its counterpart in the creative arts.
The Psychology Society and Active Minds are studentrun organizations that may be of interest to students studying psychology.
Paul Kehle
Associate Dean of Faculty
Email: kehle@hws.edu