Oceanography: The Blue Planet
Dive into the ocean that covers most of Earth: waves, tides, currents, and the strange life of the deep.
Dr. Marina Costa
Marine Science Educator
Common questions
Who is "Oceanography: The Blue Planet" for?
It is written for learners at Middle School level (Grades 6–8), and for anyone older who wants a clear refresher on science. Dive into the ocean that covers most of Earth: waves, tides, currents, and the strange life of the deep. There is no application or entry test — you can start the first lesson straight away.
How long does the course take?
There are 2 lessons totalling 16 minutes of reading and quizzes, laid out over 3 units. You can move at your own pace — progress is saved as you go.
What do I need to know before starting?
No prior coursework is assumed. The course opens with "The Moving Ocean", covering waves and tides and currents, so the foundations are built in rather than expected.
Is the course free?
Yes. Every course on Monster Class is completely free, with no credit card, trial period or paywall. Creating a free account simply saves your progress, XP and place on the leaderboard across devices.