Exploring the Five Oceans

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

• 50%

• 71%

• 80%

• 60%

Why does ocean water appear blue?

• It contains blue algae

• It reflects the sky

• It absorbs blue light

• It scatters blue light

Which ocean is the largest and deepest?

• Atlantic Ocean

• Indian Ocean

• Arctic Ocean

• Pacific Ocean

Who named the Pacific Ocean 'Mar Pacifico'?

• Ferdinand Magellan

• Christopher Columbus

• Vasco da Gama

• James Cook

Which ocean is known for the Gulf Stream?

• Southern Ocean

• Atlantic Ocean

• Pacific Ocean

• Indian Ocean

What was the Atlantic Ocean named after?

• A Greek god

• A Roman emperor

• A famous explorer

• A mythical island

Which ocean is the warmest due to its proximity to the equator?

• Southern Ocean

• Indian Ocean

• Arctic Ocean

• Atlantic Ocean

What is the deepest point in the Indian Ocean?

• Tonga Trench

• Mariana Trench

• Puerto Rico Trench

• Java Trench

Which ocean is the youngest, formed about 30 million years ago?

• Pacific Ocean

• Atlantic Ocean

• Southern Ocean

• Indian Ocean

What natural phenomenon is a popular attraction in the Arctic Ocean?

• Aurora Borealis

• Coral Reefs

• Volcanic Islands

• Tsunamis