SDI OPEN WATER SCUBA DIVER EXAM SCRIPT
2026 FULL QUESTIONS AND CORRECT
ANSWERS ALREADY PASSED
◉How much faster does sound travel in water, compared to air?.
Answer: 4 times
◉Water conducts heat away from your body. Answer: 25 times faster
than air does
◉As you descend. Answer: colors fade, reds and oranges fade first, 30
meters seem blue and gray
◉water temp does your body need thermal protection. Answer: 86
degrees
◉What does SCUBA mean. Answer: self-contained underwater
breathing apparatus
◉When water stratifies itself into layers, according to temperature, the
boundary between layers is known as a(n):
1: Halocline.
, 2: Ichtyocline.
3: Thermodyne.
4: Thermocline.. Answer: Thermocline
◉What is the primary cause of waves?. Answer: wind
◉Which of the following factors do we take into account when
measuring waves?. Answer: Height, Length
◉Which of the following is incorrect?. Answer: Waves are not
hazardous to divers during shore dives
◉The consequences of becoming cold under water include the following
except. Answer: improved judgment and coordination
◉Because sound travels faster under water:. Answer: Its harder to
determine the direction from which a sound is coming
◉Entering through surf requires special skills. These skills are often
included in beginning scuba course taught in areas in which surf entries
are common. Answer: true
◉which of the following are true. Answer: Surge is the back-and-forth
movement of water caused by passing over head
2026 FULL QUESTIONS AND CORRECT
ANSWERS ALREADY PASSED
◉How much faster does sound travel in water, compared to air?.
Answer: 4 times
◉Water conducts heat away from your body. Answer: 25 times faster
than air does
◉As you descend. Answer: colors fade, reds and oranges fade first, 30
meters seem blue and gray
◉water temp does your body need thermal protection. Answer: 86
degrees
◉What does SCUBA mean. Answer: self-contained underwater
breathing apparatus
◉When water stratifies itself into layers, according to temperature, the
boundary between layers is known as a(n):
1: Halocline.
, 2: Ichtyocline.
3: Thermodyne.
4: Thermocline.. Answer: Thermocline
◉What is the primary cause of waves?. Answer: wind
◉Which of the following factors do we take into account when
measuring waves?. Answer: Height, Length
◉Which of the following is incorrect?. Answer: Waves are not
hazardous to divers during shore dives
◉The consequences of becoming cold under water include the following
except. Answer: improved judgment and coordination
◉Because sound travels faster under water:. Answer: Its harder to
determine the direction from which a sound is coming
◉Entering through surf requires special skills. These skills are often
included in beginning scuba course taught in areas in which surf entries
are common. Answer: true
◉which of the following are true. Answer: Surge is the back-and-forth
movement of water caused by passing over head
