Topic 1. History of oceanography
Who invented the magnetic compass ? when did this occur?
Chinese invented the magnetic compass in 1125 A.D
What does SCUBA stand for ?
Self Contained Underwater Breathing Apparatus.
How many new species did James Cameron discover ?
68 new species.
In which layer do earthquake occur ?
Crust.
What is Divergent description , results are formed and Arrows?
Move away , Mid-Atlantic ride < >
Which two ancient Greeks contributed to the history of oceanography? What did they contribute ?
Pytheas predicted is using phases of the moon, Eratosthenes invented the 1st map with latitude & longitude.
List the diving equipment required for SCUBA?
Mask , fins, snorkel, wet suit, Tank, belt, regulator .
What did the trieste from 1960 use to float?
Bathyscaphe .
Which is the only layer that is completely liquid?
Outer core.
Name 3 ways that scientists study sediments
Size, distribution , origins.
In which direction does latitude and longitude run? what is 0 latitude on a map and 0 longitude on a map ?
Latitude runs parallel to the equator , 0 is the equator , longitude runs pole to pole (E-W) 0 is called prime meridian.
Who was the first person to use SCUBA with compressed air?
Jaques Cousteau.
What famous ship did James Cameron visit in a sub and then create film about ?
The titanic.
What are 2 types of Earth's crust ?
The dense & thin oceanic crust and less dense & dense and thicker continental crust.
Name other 2 plates boundaries with description.
-Convergent: colliding with one another
- Transform : Sliding past one another.
Who was Matthew Maury and what book did he publish?
Was a father of physical oceanography published the physical.
What are some medical aspects that you have to keep in mind while using SCUBA?
Temperature, Hypothermia, Breathing( aspiration syndrome, Hypoxia), pressure ( Sickness, Decompression).
What was the depth of James Cameron 2nd test dive?
62 ft
Earth's inner core is ?
Is a solid ball of iron and nickel.
A sudden movement a long the boundary of a tectonic plate is ?
Is an earth quakes.
What was the first Marine expedition that was entirely dedicated to science ? and what year did it take place , which two scientists took this expedition?
HMS challenger I in 1872 , Charles Wyville Thompson and Sir John Murray.
Compare & contrast SCUBA and submersibles ?
Both used under water , SCUBA portable limited depth medical aspects lower cost & short duration , submersibles greater depth long duration and high cost.
What did it look like when James Cameron made it to the challenger deep ?
Flat and featureless looks like the moon.
What is the correct order of the Earth's layers?
Crust, Mantle , Outer core, Inner core
Where are most divergent boundaries located ?
Ocean floor.