Larry Wedgewood Scuba Diving Instruction

Lesson 29

Ascents and Returning to the Surface

Course Complete

Watch the video above and then answer the quiz questions below

There are several types of weight systems. Regardless of type, the most important feature is a quick release that enables you, in an emergency, to drop enough weight to float even with an un-inflated BCD. This is an important safety consideration so that if you have a BCD problem, you could still make yourself float quickly.

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Quick Quiz

Module One

Water Pressure and Air Volume Effects

The Effects of Increasing Pressure on Body Air Spaces Topic 2 of 6

The Effects of Decreasing Pressure on Body Air Spaces Topic 3 of 6

Breathing Underwater

Buoyancy and Controlling Buoyancy Topic 5 of 6

The Buddy System

Choosing and Caring for Scuba Equipment

Dive Masks

Snorkles

Fins

Scuba Kit

BCD (Buoyancy Control Device)

Regulators

Scuba Cylinders

Weight Systems

How to Defog Your Mask

Setting Up Your Scuba Kit

Inflating and Deflating Your BCD

Gearing Up With Your Buddy(ies)

Breathing Underwater

Hand Signals

Regulator Clearing

Regulator Recovery

Clearing Water Out of Your Mask

Managing Your Air Supply

Descending and Equalizing

Swimming Underwater

Alternate Air Source (AAS) User

Ascents and Returning to the Surface

Emergency Weight Drop

BCD Oral Inflation at the Surface

Exiting the Water

After the Dive

Knowledge Review One

Module One Quiz

Course Complete