23.1

What was the name of a famous ship used to study the ocean?

HMS Challenger

How much of the Earth's total volume is the global ocean?

1/800

What is the smallest ocean?

Artic Ocean

What are the major oceans?

Atlantic Ocean, Pacific Ocean, Indian Ocean, Artic Ocean and Southern Ocean

What is the difference between a bathysphere and a bathyscaph?

Bathysphere is connected to the ship and the bathyscaph is free moving.

What are the three types of submersibles?

Bathysphere, bathyscaph, and submarine robot

What was one way they studied the ocean?

By reviewing naval records

What is covering nearly 3/4 of the Earth's surface?

Global Ocean

Who was Matthew F. Maury

He was an American naval officer who studied the ocean

When did modern oceanography begin?

In the 1850's

What is sonar used for?

It is used to make maps of the ocean.

What are the three major seas?

Mediterranean, Caribbean and South China

Why is Earth called the water planet?

No other planet has a similar covering of liquid water.

What is the deepest ocean?

Pacific Ocean

What are two tasks performed by submarine robots?

They take photographs and mineral samples from the ocean floor.