Ocean and Climate Change

What percentage of the Earth's surface do the world's oceans cover?

• 30%

• 50%

• 70%

• 90%

How much of the Earth's water do the world's oceans hold?

• 50%

• 70%

• 90%

• 97%

What is the main factor that causes ocean currents?

• Wind movement

• Water density

• Tides

• Geological elements

Which ocean current circulates all the way around the continent of Antarctica?

• Gulf Stream

• Antarctic Circumpolar Current

• Pacific Current

• Indian Current

What is the main cause of the Gulf Stream Collapse?

• Melting ice sheets

• Ocean acidification

• Rising sea levels

• Increased wind movement

What is the term used to describe the phenomenon of corals turning white and dying off?

• Coral extinction

• Coral bleaching

• Coral decay

• Coral erosion

What is one major effect of climate change on fish?

• Decreased fish population

• Fish migration

• Fish extinction

• Fish growth

What is the purpose of coral reefs?

• Protecting coastlines

• Providing food for marine creatures

• Regulating ocean temperatures

• All of the above