Copyright © BSAC 2017
01
Adapting to the
underwater world
Module objectives
This module provides a basic understanding of air and water pressure and the
effects of the underwater environment on the diver. It also covers the purpose
and function of diving equipment, and the other specialist kit that divers need, and
introduces the concept of buoyancy. Heat loss from the body and how this can be
reduced through the proper choice of protective clothing is considered.
Achievement targets
At the end of this module students should:
•
Have a basic understanding of air and water pressure and the physical effects
on the diver of the underwater environment
•
Understand the purpose and function of basic equipment
•
Understand the purpose and function of scuba equipment
•
Understand buoyancy
•
Understand heat loss, body temperature control and thermal protection options
Additional visual aids needed
•
Mask, fins, snorkel, and weight systems
•
Scuba equipment – cylinder, regulator with alternative supply, and buoyancy
compensator
•
Wetsuits and drysuits
Module OT1
Ocean Diver