Marine science experiments for high school are a wonderful way to teach your child about life in the vast oceans. And look at my page How to Choose the Right Homeschool High School Science for more fun teen ideas.
Also, look at my page Oceans Unit Study and Lapbook and Seashore Beach Watching Unit Study and Seashore Lapbook for more fun ideas.
Homeschooling high school marine biology may seem intimidating, but it doesn’t have to be. Much like the younger years, your child can benefit from fun hands-on activities.
But instead of ocean-themed sensory bins, it might look more like dissecting a starfish, testing the salinity of water, or experimenting with the effects of sunscreen on coral.
Marine science is an important topic because the ocean covers more than 70% of Earth’s surface and is home to countless fascinating creatures and ecosystems.
For high school students, studying marine science opens a window into biology, chemistry, physics, and environmental science.
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- Biology Kits for High School & How to Do a Shark Dissection
MARINE BIOLOGY BOOKS FOR HIGH SCHOOL
First, look at some of these books to add to your marine science experiments.
8 Marine Biology Books for Teens
Choose a few of these ocean themed books to go along with your study of the Oceans. Whether you're looking for a spine for a unit study or literature, you'll love this roundup.
For Grade Level 7-12. The oceans may well be Earth’s final frontier. These dark and sometimes mysterious waters cover 71 percent of the surface area of the globe and have yet to be fully explored. Under the waves, a watery world of frail splendor, foreboding creatures, vast mountains, and sights beyond imagination awaits. Now this powerful resource has been developed for three educational levels!
Island of the Blue Dolphins begins with a young girl named Karana who is living on the Island of the Blue Dolphins (fancy name, right?) with her younger brother, Ramo, and sister, Ulape. One day, a group of Russian hunters (Aleutians) land on the island to hunt for otter. This is when the trouble really begins.
A beautiful edition with 110 images from the 1875 English edition. Use Amazon's Look inside feature to compare this edition with others. You'll be impressed by the differences. Don't be fooled by other versions that have no illustrations or contain very small print. Reading our edition will make you feel that you are traveling the seas with Captain Nemo himself.
In pursuit of the wild, solitary, predatory octopus, popular naturalist Sy Montgomery has practiced true immersion journalism. From New England aquarium tanks to the reefs of French Polynesia and the Gulf of Mexico, she has befriended octopuses with strikingly different personalities—gentle Athena, assertive Octavia, curious Kali, and joyful Karma. Each creature shows her cleverness in myriad ways: escaping enclosures like an orangutan; jetting water to bounce balls; and endlessly tricking companions with multiple “sleights of hand” to get food.Scientists have only recently accepted the intelligence of dogs, birds, and chimpanzees but now are watching octopuses solve problems and are trying to decipher the meaning of the animal’s color-changing techniques. With her “joyful passion for these intelligent and fascinating creatures” (Library Journal Editors’ Spring Pick), Montgomery chronicles the growing appreciation of this mollusk as she tells a unique love story. By turns funny, entertaining, touching, and profound, The Soul of an Octopus reveals what octopuses can teach us about the meeting of two very different minds.
More than 100 original illustrations by Louis Rhead. You want to read this book with illustrations.
An introduction by W. D. Howells.
Nicely formatted text in an easy-to-read font.
A beautiful cover from the 1891 edition.
Follow Rothman’s inquisitive mind and perceptive eye along shorelines, across the open ocean, and below the waves for an artistic exploration of the watery universe. Through her drawings, discover how the world’s oceans formed, why the sea is salty, and the forces behind oceanic phenomena such as rogue waves. Colorful anatomical profiles of sea creatures from crustacean to cetacean, surveys of seafaring vessels and lighthouses, and the impact of plastic and warming water temperatures are just part of this compendium of curiosities that will entertain and educate readers of all ages.
In Life Between the Tides, Adam Nicolson investigates one of the most revelatory habitats on earth. Under his microscope, we see a prawn’s head become a medieval helmet and a group of “winkles” transform into a Dickensian social scene, with mollusks munching on Stilton and glancing at their pocket watches. Or, rather, is a winkle more like Achilles, an ancient hero, throwing himself toward death for the sake of glory? For Nicolson, who writes “with scientific rigor and a poet’s sense of wonder” (The American Scholar), the world of the rock pools is infinite and as intricate as our own.As Nicolson journeys between the tides, both in the pools he builds along the coast of Scotland and through the timeline of scientific discovery, he is accompanied by great thinkers―no one can escape the pull of the sea. We meet Virginia Woolf and her Waves; a young T. S. Eliot peering into his own rock pool in Massachusetts; even Nicolson’s father-in-law, a classical scholar who would hunt for amethysts along the shoreline, his mind on Heraclitus and the other philosophers of ancient Greece. And, of course, scientists populate the pages; not only their discoveries, but also their doubts and errors, their moments of quiet observation and their thrilling realizations.Everything is within the rock pools, where you can look beyond your own reflection and find the miraculous an inch beneath your nose. “The soul wants to be wet,” Heraclitus said in Ephesus twenty-five hundred years ago. This marvelous book demonstrates why it is so.
The Sea Around Us remains as fresh today as when it first appeared over six decades ago. Carson's genius for evoking the power and primacy of the world's bodies of water, combining the cosmic and the intimate, remains almost unmatched: the newly formed Earth cooling beneath an endlessly overcast sky; the centuries of nonstop rain that created the oceans; giant squids battling sperm whales hundreds of fathoms below the surface; the power of the tides moving 100 billion tons of water daily in one bay alone; the seismic waves known as tsunamis that periodically remind us of the oceans' overwhelmingly destructive power. The seas sustain human life and imperil it. Today, with the oceans endangered by the dumping of medical waste and ecological disasters such as the Exxon oil spill in Alaska, the gradual death of the Great Barrier Reef, and the melting of the polar ice caps, Carson's book provides a timely reminder of both the fragility and the centrality of the ocean and the life that abounds within it. Anyone who loves the sea, or who is concerned about our natural environment, will want to read, or re-read, this classic work.
Marine science helps students understand how oceans shape our planet. The ocean regulates weather, supports diverse food webs, and produces more than half of the oxygen we breathe.
Too, marine science develops skills in critical thinking, data collection, and observation, which are core components of scientific inquiry.
Further, marine science doesn’t require a full lab or ocean access—just creativity. High school students can design their own experiments using basic household items, record their observations, and discuss their findings.
Encourage them to keep a lab notebook, take photos of each stage, and connect their results to real-world marine issues like coral bleaching or pollution.
MARINE SCIENCE EXPERIMENTS FOR HIGH SCHOOL
Now look at some marine science experiments.
There are many fun hands-on experiments out there that your high school teen can perform to learn about the ocean and the life within.
For our marine biology this year, the main one we opted for was Marine Biology Dissection Specimens and another kit we had to investigate firsthand the structure inside and out of a few ocean creatures.
We also added a Dissection Kit because our specimens did not included any tools.
Our specimens included a dogfish shark, a starfish, a clam, as well as Brine shrimp eggs, a natural sponge, a coral specimen, and dried sea fireflies.
I am going to give you a few ides for how to experiment each one.
Dogfish Shark- The dogfish shark is a small species of shark commonly used in marine biology because it’s easy to handle and offers a clear view of many organ systems.
- Examine the gills-note how water flows over them to extract oxygen.
- Follow the path from mouth to stomach to spiral intestine and learn how this carnivorous fish digests its food.
- How do a shark’s adaptations-like fins, teeth, and sensory organs—show careful design for life as a predator?
Starfish- Starfish, or sea stars, are incredible examples of regeneration and radial symmetry.
- Observe the five arms radiating from the center and locate the tiny tube feet underneath.
- Water Vascular System: This unique system controls movement and feeding using water pressure, an amazing engineering feature.
- Discuss how starfish can regrow lost arms, and what that says about resilience in marine ecosystems.
- Dissect one arm to trace how the water vascular canals extend through the body.
SCIENCE EXPERIMENTS FOR TEENS
Clam- The clam gives students a look at mollusk anatomy—creatures that live inside protective shells and use muscular feet to burrow into sand or mud.
- Examine the two shells (valves) and the strong hinge that keeps them closed.
- Inside, identify the gills, foot, and mantle.
- Clams are filter feeders; watch how their gills are designed to trap tiny food particles from the water.
- Have students sketch the clam’s internal organs and label each part. Compare how a clam’s slow, protected lifestyle contrasts with the active dogfish shark.
Coral- Coral might look like a rock, but it’s actually made of tiny living animals called polyps that build calcium carbonate skeletons.
Explore why coral reefs are threatened by pollution and climate change, and brainstorm small ways your family can help protect marine life.
Use a magnifying glass to examine the tiny holes where polyps once lived.
Discuss how coral reefs are biodiversity hotspots, providing shelter and food for countless species.
MORE MARINE SCIENCE EXPERIMENTS FOR HIGH SCHOOL
Marine Biology and Ecosystems
- Use a clear 2-liter bottle, gravel, saltwater, small plants, and brine shrimp or snails to create a small self-sustaining ecosystem.
- Add layers of sand and gravel, fill with saltwater, and include small aquatic plants.
- Introduce tiny marine animals and observe how they interact over time.
Students learn about food chains, oxygen production, and how ecosystems rely on balance to survive.
Ocean Acidification and Chemistry
- Fill two jars: one with plain water and one with vinegar.
- Place seashells or bits of chalk in both.
- Compare how they change over several days.
This simulates how increased carbon dioxide in the atmosphere leads to more acidic oceans, harming shell-building organisms like coral and clams.
Marine Pollution and Environmental Science
- Fill a container with water, add a few drops of vegetable oil, and try to clean it using cotton balls, spoons, or dish soap.
- Experiment with different methods and record which works best.
This activity helps students understand how difficult it is to clean up oil spills and the importance of prevention and environmental care.
- Watch ocean documentaries (like Blue Planet or The Deep).
- Explore virtual marine labs or ocean databases (NOAA, Smithsonian Ocean Portal).
- Research marine careers—biologists, oceanographers, and conservationists.
Sciencing has rounded up some great ideas for lab activities, experiments, and college credits.
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