PADI OPEN WATER DIVER FINAL EXAM 2024 -2025 UPDATED QUESTIONS AND ANSWERS ALREADY GRADED A 1) When 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 sinks or floats. C do nothing. D float. D 2) I blow up a balloon, tie it off, and take it to the bottom of the swimming pool. Identify 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). B The balloon will get smaller and the air inside the balloon will be more dense (molecules move closer together). C The 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.B 3) I turn a glass upside down, trap the air by putting it in water, and then take it down to 10 meters. The air space would A became half the size it was at the surface. B does not change in size. C becomes 1/3