PADI OPEN WATER Final Exam A
with 100% Correct Answers
1. 1: If an object is neutrally buoyant (does not sink or float) in fresh water, the
same object placed into salt water would
A sink.
B either sink or float.
C do nothing.
D float
Answer> D
2. 2: I blow up a balloon, tie it off, and take it to the bottom of the swimming
pool. What will happen to the balloon and the air inside it?
A The balloon will get bigger and the air inside the balloon will be less dense
,(molecules move further apart).
BThe balloon will get smaller and the air inside the balloon will be more dense
(molecules move closer together).
CThe balloon will get bigger and the air inside the balloon will be more dense.
D The balloon will get smaller and the air inside the balloon will be less dense
Answer> B
3. 3: I turn a glass upside down, trap the air in it by putting it in water, and then I
take the glass down to 10 metres/33 feet. The air space would
A become half the size it was at the surface.
B not change in size.
C become 1/3 the size it was at the surface.
D become 2/3 the size it was at the surface
Answer> A
4. 4: If I am not able to equalize (clear) my body air spaces, it may be because I
have
A seasickness.
B heart disease and high blood pressure.
C a cold, allergy or another medical problem.
, D anxiety
Answer> C
5. 5: If my ears or sinuses hurt while I am descending (going down), it usually
means
A my air spaces are equalized.
B my mask strap is too tight.
C I am feeling a squeeze and need to equalize.
D my mask is too small
Answer> C
with 100% Correct Answers
1. 1: If an object is neutrally buoyant (does not sink or float) in fresh water, the
same object placed into salt water would
A sink.
B either sink or float.
C do nothing.
D float
Answer> D
2. 2: I blow up a balloon, tie it off, and take it to the bottom of the swimming
pool. What will happen to the balloon and the air inside it?
A The balloon will get bigger and the air inside the balloon will be less dense
,(molecules move further apart).
BThe balloon will get smaller and the air inside the balloon will be more dense
(molecules move closer together).
CThe balloon will get bigger and the air inside the balloon will be more dense.
D The balloon will get smaller and the air inside the balloon will be less dense
Answer> B
3. 3: I turn a glass upside down, trap the air in it by putting it in water, and then I
take the glass down to 10 metres/33 feet. The air space would
A become half the size it was at the surface.
B not change in size.
C become 1/3 the size it was at the surface.
D become 2/3 the size it was at the surface
Answer> A
4. 4: If I am not able to equalize (clear) my body air spaces, it may be because I
have
A seasickness.
B heart disease and high blood pressure.
C a cold, allergy or another medical problem.
, D anxiety
Answer> C
5. 5: If my ears or sinuses hurt while I am descending (going down), it usually
means
A my air spaces are equalized.
B my mask strap is too tight.
C I am feeling a squeeze and need to equalize.
D my mask is too small
Answer> C
