Young Scientist Marine Science

Marji McIlvaine
Friday 1PM (ET) - Spring 2025


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Young Scientist Marine Science Course Description

Jump into this interactive, engaging exploration of the oceans and the life within them!

In the Young Scientist Marine Science class, we explore marine life from the deep sea to the shore, from microscopic organisms up to whales, including some taxonomy and even beachcombing tricks!

The design and order of God’s creation throughout the oceans is evident throughout, as well as His art and sense of humor.

We will explore with some:

  • hands-on projects,
  • early research,
  • gentle & non-threatening oral reports,
  • games,
  • introductory lab report writing,
  • and videos of these organisms in all their beauty.

This course is based on Apologia’s Swimming Creatures of the Fifth Day, but includes original material beyond the book information.

Parent Info: If you have a middle school student interested, the instructor will extend the depth of assignments to be age-appropriate.

High School students may be interested in our Marine Biology class.


  • No prerequisites


Required Equipment

  • No lab kit is required, but household items will be used for several projects.

Recommended Grade Levels

  • 4th – 7th

Course Outline

  • Intro to Marine Science, Taxonomy, Beachcombing
  • Aquatic animals: Aqua Mobility, Filter Feeders, Currents, Fresh Water, Salt Water, The Continental Shelf, Abyssal Animals
  • Whales
  • Seals and Sea Cows
  • Aquatic Herps: Ectotherms, Turtles, Sea Snakes
  • Reptiles vs Amphibians
  • Primeval Reptiles
  • Fish: Bony Fish, Gills, Fins, Stages of Life
  • Sharks and Rays
  • Crustaceans: Exoskeletons, Lobsters, Crayfish, Crabs, Shrimp, Barnacles, Trilobites
  • Mollusks
  • Cephalopods
  • Echinoderms
  • Cnidarians
  • Sponges, Sea Squirts, Leeches, Flatworms & Others


Thank you for the wonderful class! She really enjoyed all of the things that she learned! I have been so impressed by the class! She is excited to share with us and has made lots of connections with this class and her biology class. She loved it! Thank you!!

Other classes for 4th – 7th grade

Marji McIlvaine

Marji McIlvaine (and her husband Rick) homeschooled their six children from K-12, even though she was just going to “try it for one year” with her first five-year-old. The children are all graduated and several are college graduates (2 Magna Cum Laude, 1 Summa Cum Laude). Some of the children are in college now, and some are in the work force, each one walking a God-directed pathway.

Marji has a B.A. in Spanish from the University of Florida, with graduate hours in linguistics and testing and assessment (ECU). Marji began her college career as a pre-veterinary major and garnered many college hours enjoying science.

Growing up in south Florida, she went to SeaCamp in the FL Keys where her passion for marine science was ignited through snorkeling, scuba diving and the hands-on study of ocean life.

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