Ocean Quiz Ocean Quiz for Teens (Ages 13-18) This quiz covers a range of topics related to the ocean, aiming to educate and challenge teens' knowledge about marine science and oceanography 1 / 15 True or False: The Gulf Stream is a cold ocean current that flows from the Gulf of Mexico up the eastern coast of the United States and across the Atlantic Ocean. True False 2 / 15 Which ocean is the smallest by surface area? Indian Ocean Southern Ocean Arctic Ocean 3 / 15 What is the primary threat to marine life from plastic pollution? The colour change of the ocean Marine animals ingesting or getting entangled in plastic Increased Ocean salinity 4 / 15 What are hydrothermal vents? Volcanic eruptions underwater Areas where heated water rich in minerals gushes from the seafloor Deep underwater canyons 5 / 15 What phenomenon is responsible for the nutrient-rich waters that support large fish populations along the coasts? Tsunamis Upwelling Downwelling 6 / 15 What is the primary cause of coral bleaching? Overfishing Increased water temperatures Underwater earthquakes 7 / 15 True or False: Coral reefs are typically found in cold ocean waters. True False 8 / 15 Which oceanic zone is home to the most marine life? Abyssal zone Pelagic zone Sunlit (euphotic) zone 9 / 15 What is the term for large systems of circulating ocean currents, often driven by wind patterns? Tides Gyres Waves 10 / 15 What is the main cause of ocean acidification? Plastic Pollution Oil spills Absorption of excess carbon dioxide (CO2) 11 / 15 Which ocean is known for having the most biodiversity? Arctic Ocean Atlantic Ocean Pacific Ocean 12 / 15 What is the deepest part of the ocean called? Mariana Trench Great Barrier Reef Bermuda Triangle 13 / 15 Which is the largest ocean on Earth? Atlantic Ocean Pacific Ocean Indian Ocean 14 / 15 What causes ocean tides? Wind The Moon's gravitational pull Earthquakes 15 / 15 What percentage of the Earth's surface is covered by oceans? 50% 70% 90% Your score isThe average score is 80% 0% Restart quiz