
SECTION 1 · 10 LESSONS
Getting started
Understand how learning to dive works and prepare for your first course.
Explore this section →YOUR UNDERWATER LEARNING JOURNEY
Big curiosity. Small, clear lessons. Get to know diving through six sections, with ten lessons in each.

Educational edition · These introductory lessons await qualified instructor review. They support curiosity and preparation; practical skills and certification require formal training.

SECTION 1 · 10 LESSONS
Understand how learning to dive works and prepare for your first course.
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SECTION 2 · 10 LESSONS
Recognise the main pieces of scuba equipment and understand what each one does.
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SECTION 3 · 10 LESSONS
Explore the physical ideas behind pressure, buoyancy and the underwater environment.
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SECTION 4 · 10 LESSONS
Learn the questions to ask about places, conditions, access and local support.
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SECTION 5 · 10 LESSONS
Build awareness of communication, shared decisions and learning together.
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SECTION 6 · 10 LESSONS
Understand marine habitats, responsible observation and your continuing learning journey.
Explore this section →Explore 103 plain-language definitions, each linked to relevant lessons.