Unit 1 Study guide: Marine and Aquatics

test tmr

What percentage of the ocean covers the earth?

71%

What is the difference between a continent and an ocean?

A continent is a large, continuous mass of land, while an ocean is a vast body of saltwater

List the 7 continents

North america, south america, europe, asia, africa, australia, and antartica

List the 5 oceans

pacific, atlantic, arctic, indian, and south arctic

What’s the largest ocean?

Pacific ocean

What ocean separates the Old world from the new world?

Atlantic ocean

What’s the deepest oceanic trench on Earth. (Can be found in the pacific ocean)

Mariana trench

Seas, bays, and gulfs are:

Smaller divisons of oceans

The fifth other ocean

Southern arctic

Smallest ocean

arctic

Warmest ocean

Indian

Latitude is:

Distance North and South of the equator

Longitude is:

Distance East and West of prime meridian

Thor Heyerdahl Kon Tiki expedition south to prove that polynesians actually migrated from what continent?

South America’s

What continent did the polynesians most likely migrate from?

Asia

Which civilization came directly before the Greeks and greatly influenced them?

Minoans

Why were the Phoenicians and Greeks mainly traveling on the seas

Trade

What two groups were dominant during the middle Ages ?

Catholic church and Feudal lords

What made the vikings unique compared to other Europeans at the time?

They were skilled seafarers, explorers, and shipbuilders

Was a medieval Viking set up one of the earliest North American settlements

Leif Erikson

What ocean did the vikings mainly explore?

Atlantic ocean

What region of the Europe were vikings from?

Scandinava

WHat 2 things did Ferdinand Magellan do?

1st Circumnavigation of the globe. 2nd Named the pacific ocean (because it was peaceful)

Who completed three circumnavigations in the 1700s and was killed in Hawaii?

What is the disease that many pirates got on long voyages due to lack of Vitamin C?

Scruvy

What were the prehistoric boats primarily used for?

Fishing & transportation

What did Eratosthenes do?

Calculated Earths and circumference using shadows

Father of Oceanography

Matthew Maury

Was the most famous muslim explorer from the Middle Ages who traveled far and wide?

IBN Battuta

The JIM suit a modernized version of what previous ocean tech?

diving suit

What as the first ship used exclusively for the scientific study of the ocean?

HMS challenger

What motivated the Age of Discovery?

Trade, Wealth, spread of christianity, curiosity, and new routes to asia

Auv’s are?

Autonomous Underwater Vehicle

What happens as you go further down into the ocean?

Pressure will increase and the sunlight will disappear. Temp will also drop rapidly

The umbilical cable of an ROV stands for?

tether

Why do deep ocean divers have to have metal; surroundings?

They need it because metal can withstand the extreme water pressure and protect them from the harsh deep sea

What does ROV stand for?

Remotely Automated Vehicle

What tool dramatically improved the abilities and efficiency of boats>

The sail-allowed boats to wind power instead of relying on rowing