Oceans Preview

Are you interested in learning about oceans?

• Yes

• No

• Kinda

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

• 50%

• 60%

• 72%

• 85%

What is the primary characteristic of ocean water?

• Fresh

• Brackish

• Saline

• Alkaline

Which of the following is the largest ocean on Earth?

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

• Southern Ocean

What is the deepest known point on Earth, located in the Pacific Ocean?

• Puerto Rico Trench

• Sunda Trench

• Mariana Trench

• Tonga Trench

What is a characteristic of the Antarctic Ocean?

• It is the warmest ocean.

• It is surrounded by land on all sides.

• It is the coldest ocean due to the ice sheet covering Antarctica.

• It only touches the Pacific Ocean.

Which statement accurately describes the Arctic Ocean?

• It is the largest ocean and has a lot of land.

• It surrounds the North Pole and consists of ice and ocean water.

• It is always completely frozen, even in warmer months.

• It is known for its warm waters and tropical marine life.

What types of life can be found in the oceans?

• Only small fish and plants.

• Only mammals like dolphins and whales.

• Hundreds of thousands of species, including tiny krill, blue whales, fish, mammals, and birds.

• Only creatures that produce their own bioluminescent light.

What is a major threat to the oceans mentioned in the video?

• Overfishing by commercial boats.

• The formation of huge floating islands of trash from pollution.

• Natural volcanic eruptions causing lava flows.

• The melting of ice in the polar regions.