Lesson 4: Pressure & Diving
Lesson Objectives
After this lesson, you will be able to:
- State the atmospheric pressure at sea level.
- Explain the difference between absolute and gauge pressure.
- State the absolute pressure at various depths of fresh and salt water.
- State Boyle's Law.
- Calculate air volume changes with ascent and descent.
- Calculate air density changes with ascent and descent.
- Explain how depth affects air consumption.
- Calculate air consumption rates for a given depth.
