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Overview of Scuba Diving . Introduction. The members of Blue Group Lily, James, Malik , and Makena present to you a power point about a Chapter 1 Overview of Scuba Diving. Well what’s in Chapter 1 again? Well in Chapter 1 for example is Buoyancy, Air Pressure, Equalizing, and more!.

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Presentation Transcript
introduction
Introduction

The members of Blue Group Lily, James, Malik, and Makena present to you a power point about a Chapter 1 Overview of Scuba Diving.

Well what’s in Chapter 1 again?

Well in Chapter 1 for example is Buoyancy, Air Pressure, Equalizing, and more!

buoyancy
Buoyancy

If an objects floats, we call it positively buoyant; if it sinks, we call it negatively buoyant ; and if it neither floats nor sinks , we call it neutrally buoyant.

Positive

Neutral

Negative

air pressure same air smaller space
Air PressureSame air, Smaller space

If you take an air volume underwater with you in a flexible container or an an inverted jar, the volume changes proportionately with pressure.

sinus areas
Sinus Areas

Do not Dive with congestion or sickness!

the ease to breathe
The Ease to Breathe
  • Using a snorkel saves air in your tank when your on the surface.
knowing your bcd
Knowing your BCD

Inflation Hose

Low Pressure Inflation

no o ring no diving
No O-ring, No Diving
  • With no O-ring on a Scuba tank your regulator will not seal.
pointing out the regulator
Pointing out the Regulator

First Stage

Alternate Air Source

2nd Stage

Pressure Gauge

scuba pressure gauge
Scuba Pressure Gauge
  • A pressure gauge (or can be known as SPG or “contents gauge”) tells you how much air you have during a dive.
  • When your pressure gauge is in the red zone be sure to inform your instructor that you are low on air.
thank you

Thank You

A verrryyyyHappyy!!!!