How to explore shipwrecks underwater
  • 1. What is the first step in planning a shipwreck dive?
A) Research the shipwreck's history and location.
B) Diving without a plan.
C) Inviting all your friends.
D) Immediately buying dive gear.
  • 2. Which certification is highly recommended for wreck diving?
A) Wreck Diver Specialty
B) Advanced Open Water Diver
C) Open Water Diver
D) Rescue Diver
  • 3. What should you do before entering a shipwreck?
A) Ignore any safety concerns.
B) Remove artifacts as souvenirs.
C) Swim inside immediately.
D) Assess the wreck's stability and condition.
  • 4. What is a crucial piece of equipment for wreck penetration?
A) Axe
B) Hammer
C) Fishing Rod
D) Dive Reel with Line
  • 5. What is the primary purpose of a dive reel and line?
A) To find your way back to the exit.
B) To measure the size of the wreck.
C) To tie off loose objects.
D) To catch fish inside the wreck.
  • 6. What is a common hazard inside shipwrecks?
A) Perfect Visibility
B) Sharp Metal and Debris
C) Friendly Fish
D) Unlimited Air Supply
  • 7. What type of gas mixture is often used for deeper wreck dives?
A) Regular Air
B) Carbonated Water
C) Helium Only
D) Trimix
  • 8. Why is proper buoyancy control essential in wreck diving?
A) To avoid stirring up silt and reducing visibility.
B) To swim faster.
C) To impress other divers.
D) Buoyancy doesn't matter in wreck diving.
  • 9. What should you do if you become disoriented inside a wreck?
A) Follow your guideline back to the exit.
B) Panic and swim randomly.
C) Remove your mask to see better.
D) Call for help (it won't work underwater).
  • 10. What is a good buddy team practice for wreck diving?
A) Competing to see who finds the coolest artifact.
B) Splitting up to explore more of the wreck.
C) Agreeing on a maximum penetration distance and time.
D) Ignoring each other during the dive.
  • 11. What is the best way to preserve shipwrecks?
A) Collect souvenirs.
B) Move artifacts to a safer location.
C) Clean the wreck.
D) Leave everything as you found it.
  • 12. What is a common term for poor visibility caused by disturbed sediment?
A) Blue Hole
B) Sun Glare
C) Silt Out
D) Clear Water
  • 13. Which of these is NOT a common risk associated with wreck diving?
A) Entanglement.
B) Shark attacks within the wreck (generally rare).
C) Loss of visibility.
D) Decompression sickness.
  • 14. Why is Nitrox often used in wreck diving?
A) To increase bottom time.
B) To attract fish.
C) To make your dive gear look cooler.
D) To make you feel weightless.
  • 15. What is a good practice regarding your air supply during a wreck dive?
A) Use as much air as you can.
B) Follow the 'rule of thirds'.
C) Ignore your air gauge.
D) Share your air with every fish you see.
  • 16. What does the 'rule of thirds' mean?
A) Swim for 1/3 of the dive, rest for 1/3, look for treasure 1/3
B) 1/3 to enter, 1/3 to exit, 1/3 reserve.
C) Divide your air supply by three and use it randomly.
D) 1/3 for fun, 1/3 for photos, 1/3 for exiting.
  • 17. What can a dive light help you see in a shipwreck?
A) The surface above.
B) Only darkness.
C) Other divers far away.
D) The interior structure and marine life.
  • 18. What is the recommended procedure for dealing with strong currents near a wreck?
A) Fight against the current.
B) Pretend the current isn't there.
C) Abort the dive or use a down line.
D) Swim inside the wreck for shelter.
  • 19. What information can you gather from a shipwreck's artifacts?
A) A prediction of the future.
B) The current weather conditions.
C) The best fishing spots.
D) Insights into the ship's history and purpose.
  • 20. What type of communication system is often used for wreck diving?
A) Cell phones.
B) Smoke signals.
C) Hand signals and underwater writing slates.
D) Shouting.
  • 21. What is the primary reason for having a dive plan?
A) To ensure a safe and organized dive.
B) To make the dive more expensive.
C) To impress other divers.
D) To look professional.
  • 22. What is the best way to handle encountering marine life inside a wreck?
A) Try to touch them.
B) Observe from a distance and avoid disturbing them.
C) Chase them.
D) Feed them.
  • 23. What is a common term for a section of a wreck that has collapsed?
A) Pinch point
B) Swim through
C) Open water
D) Treasure trove
  • 24. What should you do if you see another diver in distress inside the wreck?
A) Panic and swim away.
B) Immediately surface.
C) Ignore them and continue your dive.
D) Assess the situation and offer assistance if safe to do so.
  • 25. Why is it important to have proper training for wreck diving?
A) To find treasure.
B) Training isn't important.
C) To understand and mitigate the risks involved.
D) To brag to your friends.
  • 26. What is the general depth range where most accessible shipwrecks are found?
A) Extremely deep, requiring specialized equipment.
B) Varies greatly depending on location.
C) Only in the deepest parts of the ocean.
D) Very shallow, close to shore.
  • 27. What is one advantage of using a dive computer during a wreck dive?
A) It controls the underwater currents.
B) It makes you a better swimmer.
C) It translates fish language.
D) It tracks your depth, time, and nitrogen absorption.
  • 28. What is a consideration regarding your exposure suit on a wreck dive?
A) It provides protection from cold water and sharp objects.
B) It's only for fashion.
C) It makes you invisible to sharks.
D) It helps you float better.
  • 29. When planning a wreck dive, what type of weather conditions are important to check?
A) Whether it's sunny or cloudy.
B) Air temperature.
C) The pollen count.
D) Sea state, wind, and visibility.
  • 30. What is the importance of a post-dive debriefing after a wreck dive?
A) To complain about the dive.
B) To discuss the dive, share observations, and learn from the experience.
C) It's not necessary.
D) To brag about your accomplishments.
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