Core scuba gear, certification levels, and dive safety terms for beginner divers.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What does BCD stand for?
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Buoyancy Control Device- What is the primary purpose of a regulator?
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Reduces tank pressure and delivers breathable air to the diver- What does a wetsuit do for a scuba diver?
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Provides thermal insulation to retain body heat- What is the purpose of fins in scuba diving?
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Move through water more efficiently with less energy- Why does a scuba diver wear a mask?
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To create an air pocket so the diver can see clearly underwater- What is a snorkel used for?
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To breathe at the surface without lifting your head out of the water- What does a scuba tank contain?
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Compressed air or other breathing gas- What is the purpose of a weight belt?
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To counteract buoyancy so the diver can descend and maintain depth- What does a dive computer display?
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Depth, bottom time, dive profile, and decompression information- Define buoyancy in diving
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The upward or downward force acting on a diver due to water displacement and weight- What is decompression sickness commonly called?
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The bends- Define nitrogen narcosis
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A condition caused by breathing nitrogen at depth, causing impaired judgment and coordination like drunkenness- What does neutral buoyancy mean?
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When a diver's weight exactly equals their buoyancy and they neither rise nor sink- Explain the buddy system in diving
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Two divers stay together during a dive to monitor each other and assist in emergencies- What is a safety stop?
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A brief stop near the surface, usually 3 to 5 minutes at 15 feet, to allow nitrogen to exit the body
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