How much do you know about the world's oceans? Come take this quiz!

Are you ready? Let's go!

• How much of the planet's surface is water?

  • 32%

    Photo by Matt Hardy on Unsplash

  • 46%

    Photo by Silas Baisch on Unsplash

  • 71%

    Photo by Joseph Barrientos on Unsplash

  • 97%

    Photo by Gatis Marcinkevics on Unsplash

• Which is the world's greatest ocean?

  • Pacific Ocean

    Photo by berenice melis on Unsplash

  • Southern Ocean

    Photo by Jeremy Bishop on Unsplash

  • Indian Ocean

    Photo by Husen Siraaj on Unsplash

  • Atlantic Ocean

    Photo by Gatis Marcinkevics on Unsplash

• What is the most common factor that contributes to the formation of ocean waves?

  • Tides

    Photo by isaac sloman on Unsplash

  • Wind

    Photo by Mourad Saadi on Unsplash

  • Underwater earthquakes

    Photo by Krystian Tambur on Unsplash

  • Currents

    Photo by Christian Crocker on Unsplash

• Can you tell me the name of the oceanic trench that is the deepest point on Earth?

  • Tonga Trench

    Photo by Aleen Prasad on Unsplash

  • Diamantina Trench

    Photo by Beia Carvalho on Unsplash

  • Philippine Trench

    Photo by Eibner Saliba on Unsplash

  • Mariana Trench

    Photo by Vincent Camacho on Unsplash

• The Magellanic Strait connects which two oceans?

  • Indian and Southern

    Photo by Nicolene Olckers on Unsplash

  • Arctic and Atlantic

    Photo by Andrzej Kryszpiniuk on Unsplash

  • Atlantic and Pacific

    Photo by Matt Hardy on Unsplash

  • Indian and Pacific

    Photo by Christoffer Engström on Unsplash

• Can you name the ocean with the highest salinity?

  • Southern Ocean

    Photo by Silas Baisch on Unsplash

  • Atlantic Ocean

    Photo by samsommer on Unsplash

  • Pacific Ocean

    Photo by Laurenz Kleinheider on Unsplash

  • Indian Ocean

    Photo by Alexandra Diaconu on Unsplash

• What generates ocean tides?

  • The moon

    Photo by Guzmán Barquín on Unsplash

  • Earth's core

    Photo by Daniel Olah on Unsplash

  • Evaporation

    Photo by Noémie Cauchon on Unsplash

  • Underwater earthquakes

    Photo by Cristian Palmer on Unsplash

• Can you name the ocean where the "Coral Triangle" is found?

  • Arctic

    Photo by Krystian Tambur on Unsplash

  • Atlantic

    Photo by Jeremy Bishop on Unsplash

  • Pacific

    Photo by Fernando Jorge on Unsplash

  • Indian

    Photo by Cristian Palmer on Unsplash

8 questions remaining