Opening Assignment
List 3 things you already
know about Marine science
and 3 things you want to
learn from this course. Use
complete sentences.
By Mrs. Moreaux and Mrs. Shaw
Unit 2: Origin of the Ocean and
Global Geography Learning Goals
Students will be able to
 Explain the origin of the Earth and it’s ocean.
 List and locate the 5 main oceans and 7
continents.
 Use proper coordinates such as latitude and
longitude to locate specific locations on a
global map.
Part 1
The Origin of the
Earth and it’s Ocean
How did the Earth form?
 Our solar system
formed from a solar
nebula, a cloud of gas
and dust, that
collapsed and
condensed about 4.56
billion years ago.
 Most of the matter
formed the Sun but the
rest formed the planets
and other bodies in our
solar system
The Young Earth
 The young Earth was
anything but habitable.
Radioactive elements
decaying within its mass
and impacts from debris
raining down from space
generated intense heat—
the first eon of Earth's
history, from about 4.5 to 3.8
billion years ago, is named
the Hadean after hades, the
Greek word for hell
Scientists study meteorite
materials to discover what
materials were first present
on Earth that eventually were
recycled into Earth’s crust.
The Willamette Meteorite, the largest ever
found in the United States (15 tons)
How do we know that the cloud of
gas and dust turned into our star, the
Sun, and planets?
 The Universal Law of Gravitation – everything
with mass has gravity and is attracted to
everything else with mass.
 Where is our evidence of this??
 http://www.youtube.com/watch?v=bFTYl07Plww
 2:95- 9:54
Reminder . . .
a scientific law
if usually
associated
with a
mathematical
equation.
About 4 billion years ago
About 4 billion years ago,
conditions on Earth gradually
began to cool.
The planet's surface cooled,
enough to allow water vapor
to condense in the
atmosphere and fall back as
rain.
This early hydrologic cycle
promoted rock weathering, a
key part of the carbon-silicate
cycle that regulates
Earth's climate
How did the Ocean form?
Condensing water vapor, along with ice delivered by
comets and water trapped in meteorites,
accumulated in the atmosphere and cooled the
molten exterior of the planet to form a solid crust
and produced the oceans.
This period ended roughly 3.8 years ago with the onset of
the Archean age, by which time, the Earth had cooled
significantly and primordial life began to evolve.
The Beginning of Oceans and Life!
How the Earth was made
http://www.youtube.com/watch?v=
wX2App8vM_k
http://www.youtube.com/watch?v=
PIZPl9Pxl3o
Opening Assignment
Review your notes on the origin of
the Earth and it’s Ocean and
explain in your own words what
happened when the Earth and it’s
ocean was formed.
Part 2
Global Geography of
the Earth’s Oceans
and Continents
In order to study the oceans, we need to
know where they are!
In PENCIL: Label the 5 oceans and the 7
continents on your blank world map.
Arctic
North
America
Europe
Asia
Atlantic
Africa
Pacific
South
America
Indian
Australia
Southern
Antarctica
Latitude & Longitude
Measured in degrees, minutes and seconds
Ex. Vero Beach is
Latitude: 27° 38' 17" N
27 degrees, 38 minutes, 17 seconds North
Longitude: 80° 23' 51" W
80 degrees, 23 minutes, 51 seconds West
TODAY WE WILL ONLY MEASURE THE DEGREES 
Latitude
 Lines of latitude run
West - East
 The Equator is
latitude 0°
 Latitude coordinate
is always listed first,
and followed by
N or S
Longitude
 Lines of longitude run North-South
 The Prime Meridian is Longitude 0°
 Longitude coordinate is always listed
second, and followed by E or W
NORTH
WEST
EAST
SOUTH
Practice
Using the map provided plot the following
points:
A. 15° N, 90° W
B. 75° S, 75° W
C. 45° N, 135° E
D. 60° S, 105°E
Check your map 
NORTH
WEST
EAST
SOUTH
Homework – Locate the following
on your map and list the
coordinates
1. Caribbean Sea
2. Gulf of Mexico
3. Mediterranean Sea
4. Bering Sea
5. Red Sea
Homework ANSWERS – Locate the
following on your map and list the
coordinates – ARE APPROXIMATE
1. Caribbean Sea 15° N, 70° W
2. Gulf of Mexico 30° N, 90° W
3. Mediterranean Sea 35° N, 15°E
4. Bering Sea 65° N, 170°W
1. Red Sea 20° N, 40°E
Check your map 
NORTH
WEST
EAST
SOUTH
Opening Assignment
Example: How do you get from the Arctic Ocean to the Indian Ocean?
Sail south through the Atlantic Ocean, around the southern tip of
Africa and north to the Indian Ocean.
 What is the best way to get to the Mediterranean Sea
from the middle of the Southern Ocean?
 Describe the route from the Gulf of Mexico to the Red
Sea.
 You live in the Indian Ocean, and your friend lives in the
Caribbean Sea. Where could you meet that would be a
halfway point?
 You live in the cold Bering Sea, and have decided to visit
the warm waters of the Caribbean Sea. Describe the
route you'll take.
Opening Assignment
Write the question and the answer.
1.
2.
3.
4.
5.
Which continent are you on at the
coordinates: 25˚S, 135˚E?
Which ocean would you be swimming in if you
were at 5˚N, 65˚E?
Which of our states are you in if you are at 19˚N,
155˚W?
Which body of water are you in at 25˚N, 90˚W?
Where the Equator intersects the Prime
Meridian, where are you, water or land? Name
the place.
Opening Assignment: Answers
1.
2.
3.
4.
5.
Which continent are you on at the
coordinates: 25˚S, 135˚E? Australia
Which ocean would you be swimming in if you
were at 5˚N, 65˚E? Indian Ocean
Which of our states are you in if you are at 19˚N,
155˚W? Hawaii
Which body of water are you in at 25˚N, 90˚W?
Gulf of Mexico
Where the Equator intersects the Prime
Meridian, where are you, water or land? Name
the place. Water: Atlantic Ocean
Homework
 Research the following information about the Sea
or Gulf you were assigned:
 Location: be able to find it on a map and list one
set of coordinates that are in the sea/gulf
 Bordering countries
 Route you would sail from Vero Beach to get
there
 3 interesting (marine oriented)things to do there
 What marine resources the sea/gulf has
 What marine “problems” the sea/gulf faces