Topic 1. History of oceonagraphy
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 2 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 run? In which direction does longitude run? what is 0 latitude on a map and 0 longitude on map?
Latitude runs parallel is equator, longitude runs to pole to pole (E-W) 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 & then create film about?
The titanic.
What are 2 types of Earth's crust?
The dense & thin oceanic crust and less dense and thicker continental crust.
Name other 2 plates boundaries and define them ?
-Convergent : A boundary between two plates that are colliding one another.
- Transform: A boundary between two plats that are sliding past one another.
Who was Matthew Maury? 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, pressure, Decompression sickness.
What was the depth of James Cameron 2nd test dive?
62 ft
Earth's inner core is?
Is a solid ball of Iron & nickel
A sudden movement a long the boundary of a tectonic plate is ?
An earth quake.
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 & Sir John Murray.
Compare and contrast SCUBA & 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 Earth's layers?
Crust, Mantle, outer core, inner core.
When are most divergent boundaries located ?
Ocean floor .