DIVING GLOSSARY · Underwater science

Weight

The force of gravity acting on an object; in everyday diving speech, “weights” also means added ballast.

Explore the idea in context

Definitions are a starting point. These lessons connect the word to examples, illustrations and further reading.

Underwater science

Buoyancy as a force

Describe positive, negative and neutral buoyancy.

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Introductory definition · Instructor review pending.