snorkeling Flashcards

1
Q

what are the parts of a snorkel?

A

Strap, Strap buckle, nose pocket, purge valve, lens, Frame

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2
Q

how do wet suits works?

A

Wet suites trap a layer of water between the skin, which is warmed by the body. They also provides sun products and buoyancy.

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3
Q

what is equalising?

A

equalising is the act of allowing higher pressure air from your lungs into the middle of your ears.

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4
Q

why do we equalise?

A

we equalise because when diving deeper in water there is a pressure build up in our ears
this stops it from happening

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5
Q

what is positive buoyancy

A

occurs when the object is lighter the the liquid it is floating on. (floating)

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6
Q

what is negative buoyancy?

A

occurs when the object of heavier than the fluid it is on. (sinking)

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7
Q

what is neutral buoyancy?

A

occurs when the object is equal to the liquid it is on.

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8
Q

why is it having a diving buddy important ?

A

someone you should always stay with incase of an emergency. No one should swim to shore by themselves.

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9
Q

what are two methods of equalising?

A
  1. squeezing your nose and blowing out slowly

2. holding you breath and swallowing.

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10
Q

what colour is the internationals diving flag ?

A

white and blue

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