Physical Science


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Welcome to Physical Science 111 — General Course I. Physical Science 111 is a general science course for non-science majors and includes a laboratory. We will begin with the study of geology.

Science and Natural Hazards

  1. Science helps us predict hazards.
  2. Knowing hazard risks can help people make decisions.
  3. Linkages exist between natural hazards.
  4. Humans can turn disastrous events into catastrophes.
  5. Consequences of hazards can be minimized.

Course Catalog Description

PHYSICAL SCIENCE 076 0111 - General Course I - Physical Science
Introduction to the scientific method, astronomy, geology, meteorology. Writing assignments, as appropriate to the discipline, are part of the course. Credit Hours: 4, 3 lecture hours and 2 lab hours per week based on sixteen weeks.


Earth Science 14th Ed.
by Tarbuck and Lutgens, Illustrated by Tasa.

If you have an older edition of the textbook (11th, 12th, 13th) that will work just fine.

Instructions for Mastering Geology


Joy WalkerProf Joy Walker
Department Chair, Physical Science and Engineering
Office: 3826B (Inside the Physical Science and Mathematics Departmental Office)
Phone: (773) 907-4698

This photograph was taken in Alaska this summer while I was taking a course on glaciers. Awesome!

Office Hours

Monday and Wednesday8:50 AM to 9:20 AM and 1:00 PM to 2:00 PM and 3:00 PM to 4:00 PM
Tuesday and Thursday9:00 AM to 10:30 AM and 2:00 PM to 4:00 PM
Friday12:40 PM to 1:40 PM


I've been a teacher for over thirty years. It is my life's passion to share my enthusiasm for learning and for the physical sciences. I've taught many subjects: astronomy, chemistry, geology, meteorology, web development and design, programming, electronics, urban gardening, food chemistry. I love to learn and share my discoveries with others.

Education is a difficult field to belong to these days. On one hand information is easy to access. If you want to learn something new you can probably find excellent instructions via videos and other media on the Internet - so why come to school? It is a fair question to ask. Enrolling in college classes involves you with a community of learners and the interesting word here is community. What does it mean to belong to a class - and to participate in a shared experience of learning?

My approach to teaching is multi-faceted. It seems to me that authentic experiences, tactile and immediate, are critical to building a connection between the learner and the subject. Certainly a love of the subject helps! Sometimes learners need structure and goals set externally to keep them moving through material. Sometimes learners need to be inspired and motivated.

What I bring to the courses I teach is experience, intense curiosity, passion for learning and a commitment to your success.

Recommended Links

Scale of Measurement

Minerals and Rocks

Mass Wasting and Soils


Rivers and Lakes

Caves and Groundwater


Earthquakes and Volcanoes

Plate Tectonics

Earth's Core

Geological Time


Climate Change

Astronomy Computer Programs

Astronomy Online Resources

Fun Astronomy Links - Music, Stories, Culture

Truman College Mission Statement

"Our Mission dedicates us to deliver high-quality, innovative, affordable and accessible educational opportunities and services that prepare students for a rapidly changing and diverse global economy."


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Student Services

The Student Services Department provides a broad range of services to assist students in achieving their academic and life goals.

Students with Disabilities

The Truman College Disability Access Center (DAC) verifies needs pursuant to the American Disabilities Act (ADA), determines student academic accommodations, and issues accommodation letters. Phone number: (773) 907-4725. The DAC is located in Room 1435, Main Bldg.

Tutoring Center

The tutoring center is located in room 177, Larry McKeon Student Services Building, (773) 907-4785 or (773) 907-4790.

TRIO Student Support Services

TRIO is for low-income students, first generation college students, or students with disabilities who need academic support: (773) 907-4797, Room 1435, Main Bldg. Registration is required at the start of each semester.

Student Success and Leadership Institute (SSLI)

SSLI is for students who need various other support services to achieve their educational goals: (773) 907-4737, Room 1435, Main Bldg.

Wellness Center

The Wellness Center provides a variety of services at no cost for students including counseling, crisis intervention, support groups and more. (773) 907-4786, Room 1946, Main Bldg.