Science Learning Resource Center

Hours and location

Spring 2024: SLRC is open Tuesday, January 16, through Thursday, May 2, for the spring semester (closed finals week). Operations will resume on June 3, 2024, for the two 5-week summer sessions.

  • Monday – Thursday: 9am – 7pm
  • Select Fridays: Extra Hours for A&P Models Review, 10am – 2pm (see Penji)
  • Location: ASSC 365 (Ann Stuart Science Complex, 3rd floor)

Get started!

Make an appointment

  1. Penji logo
    Please go to Penji at You can find Penji here:
    Login to Penji
    or download the Penji app on your cell phone and log on there.
  2. Log in with your TWU email and password.
  3. Once you log in, choose "For Students: Schedule Appointments."
  4. Choose a 30-minute appointment, a one-hour appointment, or sign up for an Event (for weekly SLRC group sessions, offered for select courses).
  5. Next, select your Course from the list.
  6. Choose a date and time for tutoring.
  7. Choose a tutor.
  8. Answer the prompts.
  9. You will see an overview message on Penji listing your appointment’s (A) course; (B) time and day; (C) tutor; and (D) location.
  10. You will then get a confirmation email.
Setting up Penji
Help Making Appointments

SLRC groups

Sign up today on Penji and set yourself up for success. Weekly 90-minute study groups are facilitated by a SLRC course assistant. Please sign up each week you plan to attend. Spots are limited!

Groups start Week 2 of Spring classes

Online tutoring via logo

TWU is now partnering with to provide 24/7 online tutoring for select science content courses.

You may access from the Canvas page of select courses. PLEASE NOTE: You will find it listed in your LECTURE Canvas page.

Students are automatically allotted 10 hours of online tutoring per semester; we encourage you to utilize SLRC services during our hours of operation if you would benefit from more time.

Courses include:

  • Human Anatomy & Physiology
  • Biology
  • General Chemistry
  • Microbiology
  • Molecular Biology
  • Organic Chemistry
  • Physics

SLRC features

  • Resources include models, microscopes, computers, printing, textbooks, review tools, and molecular kits
  • A positive, encouraging study environment
  • Assistance with improving study skills and problem-solving techniques
  • Assistance with working example problems from text and/or class notes
  • Assistance with online homework



A QR code for TWU's Science Learning Resource Center (SLRC)

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About us

The Science Learning Resource Center (SLRC) was established by a grant from the National Science Foundation in 1978. SLRC provides review sessions in direct support of TWU classes. Our staff may clarify the assignments made with the instructors and confer as needed with instructors to assure that our assistance is consistent with instruction. We strive to teach every TWU student that comes to our center how to be successful in their courses.

Page last updated 8:57 AM, January 9, 2024