Project Scuba
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Atmospheres, Depth, Pressure, and Air Volume while SCUBA diving

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Project Scuba
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OW Scuba 1 - Under Pressure

Question 1 of 12

1

If you travel 66ft below the surface, the pressure will equal ____________________________________________ .

Select one of the following:

  • 1 atmosphere

  • 2 atmospheres

  • 3 atmospheres

  • 4 atmospheres

Explanation

Question 2 of 12

1

You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be

Select one of the following:

  • the same size.

  • 1/2 the size.

  • 1/3 the size.

  • 1/4 the size.

Explanation

Question 3 of 12

1

You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be

Select one of the following:

  • the same size.

  • 1/2 the size.

  • 1/3 the size.

  • 1/4 the size.

Explanation

Question 4 of 12

1

You take a fully inflated beach ball to 99 ft below the surface. The beach ball will appear to be

Select one of the following:

  • the same size.

  • 1/2 the size.

  • 1/3 the size.

  • 1/4 the size.

Explanation

Question 5 of 12

1

If you take a flexable container with 24 liters of air on the surface to a depth of 33 ft , the volume of the air will now be

Select one of the following:

  • 12 liters.

  • 8 liters.

  • 6 liters.

  • 4 liters.

Explanation

Question 6 of 12

1

Select the air spaces that are affected by pressure when diving.

Select one or more of the following:

  • mask

  • heart

  • lungs

  • ears

  • sinuses

Explanation

Question 7 of 12

1

A squeeze is a pressure related injury that occurs when the pressure inside of an air space is greater than the outside pressure.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 12

1

Check the steps you should attempt if you can not equalize.

Select one or more of the following:

  • Descend quickly until the pain passes.

  • Ascend until your ears are comfortable.

  • Pinch your nose and gently blow. Wiggle your jaw. Try swallowing.

  • Signal your buddy that something is wrong.

  • Stop your dive and plan for diving on another day.

Explanation

Question 9 of 12

1

SCUBA diving's MOST important rule is

Select one or more of the following:

  • always dive with a computer.

  • eat a healthy meal before entering the water.

  • take small sips of air.

  • never hold your breath.

Explanation

Question 10 of 12

1

Check all situations that will make your air last longer.

Select one or more of the following:

  • Fin quickly while swimming against the current.

  • Breathe slow, steady breaths.

  • Choose deeper dives.

  • Stream line your equipment, use proper weighting, and perfect your buoyancy skills.

Explanation

Question 11 of 12

1

Find the true statement about buoyancy.

Select one of the following:

  • If an object weighs less than the water it displaces, it is neutrally buoyant.

  • If an object weighs less than the water it displaces, it is positively buoyant.

  • If an object weighs the same as the water it displaces, it is negatively buoyant.

  • If an object weighs more than the water it displaces, it is exponentially buoyant.

Explanation

Question 12 of 12

1

The buddy system is partnering up with another diver or a group of divers to plan dives, assist each other with gear, manage safety concerns, and have fun together.

Select one of the following:

  • True
  • False

Explanation

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