Quiz on Oceans and Seas

What percentage of the Earth's surface is covered by oceans?

• 80%

• 71%

• 50%

• 60%

How many major oceans surround the Earth?

• Three

• Four

• Six

• Five

Which ocean is the largest?

• Pacific Ocean

• Atlantic Ocean

• Arctic Ocean

• Indian Ocean

What is the average depth of the oceans?

• 2000 meters

• 3800 meters

• 5000 meters

• 1000 meters

What is the main focus of oceanography?

• Studying landforms

• Studying ocean properties

• Studying weather patterns

• Studying animal behavior

Which of the following is a branch of oceanography?

• Meteorology

• Marine Biology

• Geology

• All of the above

What is the main difference between seas and oceans?

• Seas are deeper than oceans

• Seas are smaller than oceans

• Seas are saltier than oceans

• Seas are larger than oceans

What is the term for a narrow body of water connecting two larger bodies?

• Gulf

• Bay

• Strait

• Ocean

Which scientist is known for his voyages that contributed to ocean exploration?

• Charles Darwin

• Captain Cook

• Albert Einstein

• Isaac Newton

What is the main reason for the difference in salinity between seas and oceans?

• Temperature

• Evaporation and freshwater inflow

• Depth

• Geographic location