Because of the increased density of water in comparison to air, the better sound is transmitted.

This is because the denser the medium the more elastic it is and the better it is at sound transmission.

Learn more about physics in diving and its practical application on your PADI Divemaster and PADI IDC

Although the standard PADI Instructor Manual doesn't contain detailed standards of every course in the PADI system of education, the Key Standards table does include key information about every course and experience from Bubblemaker to CCR Instructor Trainer.

This includes minimum student age, certification prerequisites, Instructor rating and dive requirements too. 

Anyone of any age, with an interest, may participate in the PADI Emergency Oxygen Provider Specialty Course.

Learn more about PADI Standards, their application and intent as well as how to teach PADI Specialty Courses on your PADI IDC. Book Now!

During the PADI Deep Adventure Dive, the PADI Data Carrier should be used to demonstrate the changes in colour while diving as they are printed in order on the slate for the students use. 

When I was at school we were taught the pneumonic Richard Of York Gave Battle In Vain to remember the colours of the rainbow - this can be a good trick to show your students during their PADI Adventure Diver, PADI Advanced Open Water Diver or PADI Deep Diver Specialty course which all integrate the PADI Deep Adventure Dive.

Learn more about course integration, credit and linking courses on your PADI Instructor Development Course. Book Now and Ignite Your Life today!

The International Liason Committee of Resuscitation or ILCOr, recommend the same compression rate for infants to adults. 

This has been shown to have better ease of recall for the lay first aider in the unlikely event they are called upon to perform CPR.

The Emergency First Response Care For Children Instructor Course is included in my PADI Instructor Development Course and is part of every Emergency First Response Instructor Course I teach. Book Now and Ignite Your Life today!

One of the greatest features of the downstream valve scuba regulator is that if it ever malfunctions it will still provide air to the diver. When teaching recreation students this brings great peace of mind to know that the equipment will always function - ensure they are proficient in the skill Free Flow Regulator during their training as this occurrence is the value to this very skill.

Learn more about defining skill values and equipment using and care in your PADI Divemaster and PADI IDC programs. Book Now and Ignite Your Life today!