Maritime Quiz 6 Ocean Weather Results #1. What scale is used to measure wind force at sea? Richter Scale Beaufort Scale Saffir-Simpson Scale Fujita Scale #2. What is a sudden, violent wind increase called? Gale Squall Hurricane Trade wind #3. What is the name of the calm area near the equator with light winds? Roaring Forties Doldrums Horse Latitudes Westerlies #4. What causes tides? Wind and waves Gravitational pull of the Moon and Sun Earth’s rotation only Underwater earthquakes #5. What is the difference between high and low tide called? Tidal stream Tidal range Spring tide Neap tide #6. What is a tsunami? A large tidal wave caused by the Moon A series of large waves caused by underwater disturbance (usually earthquake) A strong current between islands A type of storm surge #7. What is the deepest part of the world’s oceans called? Puerto Rico Trench Challenger Deep (in the Mariana Trench) Java Trench Tonga Trench #8. What percentage of the Earth’s surface is covered by ocean? About 50% About 71% About 85% About 60% #9. What is the name of the warm current that flows down the east coast of Australia? West Australian Current East Australian Current Leeuwin Current Antarctic Circumpolar Current #10. What does “fetch” mean in relation to waves? The height of the waves The distance over which the wind blows to generate waves The speed of the waves The direction of the swell Previous Finish Join Us Today
