When was the first submarine built? •1620. Cornelis Jacobszoon Drebbel, a Ditch engineer, was the first to build it.
What is the largest island? •Greenland is the world's largest island. While Australia is an island, it is considered a continent. Greenland has an area of 2,166,086 square km, but a meager population of 56,452 What country has the longest coastline?
How many different species of ocean fish exist? •About 150-200 fish.
Who is the father of oceanography? •Matthew Maury, also considered the "pathfinder of the seas." He was an American oceanographer, meteorologist, cartographer, and geologist.
What is the average ocean temperature? •17°C or 62.6°F.
Why is the ocean blue? •It is commonly believed that the ocean is blue because of the sky reflecting off of it. But the ocean is blue because of the way it absorbs sunlight. It strongly absorbs colors at the red end of the wavelength spectrum, as well as the violet end, so what remains is mostly blue.
What is the difference between a hurricane and a typhoon? •In the North Atlantic, central North Pacific, and eastern North Pacific, the term hurricane is used. The same type of disturbance in the Northwest Pacific is called a typhoon.
What causes sea foam? •When dissolved organic matter is the water is churned up, mostly algal bloom (different types of algae)
Where do the highest tides occur? •Bay of Fundy, Canada.
What is the warmest ocean? •The Indian Ocean.
What do you call a person who studies fish? •Ichthyologist, or simply a biologist, for a broader term.
What is the largest fish? •The whale shark. It is also the largest living animal that is not a cetacean.
What is the fastest fish? •The sailfish is the fastest fish in the world – able to swim at a speed of 68mph, followed by the marlin at 50mph. •Of course, there is a lot of controversy on this topic, so I suggest doing more research on it.
What is the slowest fish? •The dwarf seahorse swims at about 0.01 mph, making it the slowest fish in the world.
What is the smallest crab? •The pea crab. Female pea crabs measure half an inch across at their largest, and male pea crabs are significantly smaller at less than a third of an inch wide.
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