This is our catalog of courses. We will occasionally adjust the course listing to reflect the addition of new courses and the retirement of others. 

Recorded MS
Physical Science, Part Three

Continue learning Physical Science this year with this deep dive into the matter, atomic energy, and more. You will be well prepared for Chemistry and Physics after taking this course. Follow up with Inspiration, Invention, Innovation.

Special notes: This is a 3-part course. Part One is a prerequisite for both Part Two and Part Three. There are 17 pre-recorded lecture videos in addition to the 13 live classes. 

Total classes: 13

Duration: 50 minutes

Prerequisite: 8th-grade math, previously or concurrently

Suggested grade level: 8th to 10th grade

Suggested credit: One full semester of Physical Science

  • This is a 3-part course; for a total of 1.5 middle school science credits.  Ideally, high school students would complete all three parts for one year of high school science credit.

This is a ‘flipped’ class. Students will be required to watch the recorded lecture before coming to the live class. The live class will be in a discussion (question and answer) format based on the lecture.

We will be studying the matter and forces that God used to create our universe. Completion of this course (parts 1, 2, & 3) will be excellent preparation for high school Chemistry and Physics.


Unit 1: Building Blocks of Matter

Topic 1: Elements and Compounds
Topic 2: Atoms
Topic 3: The Periodic Table

Unit 2: Interactions of Matter

Topic 1: Chemical Bonding
Topic 2: Chemical Reactions

Unit 3: Special Topics

Topic 1: Acids & Bases
Topic 2: Atomic Energy

Materials and Homework

Course materials:

  • Text: Holt Science and Technology: Physical Science (Holt, Rinehart, and Winston, 2007) ISBN: 0-03-046228-2. We recommend buying used (www.amazon.com/exec/obidos/ASIN/0030462282/catholictreas-20).
  • A calculator and a computer with a microphone. (This is an interactive class; microphones are mandatory.)


  • The lecture videos must be viewed before the recorded class each week.
  • Assignments include online homework, a quiz with each chapter, and unit tests.
  • All assignments are auto-graded with immediate feedback. 
  • Most students will complete the weekly assignments in about 2 to 2.5 hours.
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