Ocean and Sea Exploration Quiz

What is the primary difference between seas and oceans?

• Seas are part of the oceans and are smaller.

• Seas have more biodiversity than oceans.

• Seas are larger than oceans.

• Oceans are part of the seas.

How many major oceans are there on Earth?

• Three

• Six

• Five

• Four

What is a common misconception about the sea floor?

• It is warm.

• It is flat.

• It is full of life.

• It is shallow.

What percentage of the sea remains unexplored?

• 50%

• 75%

• 100%

• 95%

Which mountain is the largest when measured from its base?

• K2

• Mount Kilimanjaro

• Mount Everest

• Mauna Kea

What is the highest point on Earth?

• Mauna Kea

• Mount Everest

• K2

• Mount Kilimanjaro

Which do humans know more about: Mars or the ocean?

• Both equally

• Neither

• Mars

• The ocean

Approximately how many new species are discovered in the ocean each year?

• 1,000

• 5,000

• 2,000

• 500

Which sea is the most polluted in the world?

• South China Sea

• Arabian Sea

• Mediterranean Sea

• Caribbean Sea

What percentage of the air we breathe is produced by the sea?

• 50%

• 25%

• 75%

• 10%