1. Chapter 15 Oceanography
12/9/11

2. Student Learning Target
You need to understand and be able to discuss the how scientists believe the oceans formed.

3. Basic Facts What is Oceanography? We will be learning…
The study of the Earth’s oceans.
1). How the oceans formed
2). Temperature Profile
3). What stuff they are made of
4). How waves form
5). How tides form

4. Origin of the Oceans Meteorites Volcanism
Impact of comets releases water
Contain up to 0.5% water themselves
Water rising from deep inside the Earth to the surface by volcanic eruptions.
Water Vapor is released with the dust and gas in an eruption
Eventually cools and condenses

5. Oceans: Our Blue Planet
Facts
Major Oceans
71% of Earth is water
All connected
One massive body of water
We divide them for geographic purposes and navigation
1). Pacific (Largest)
2). Atlantic
3). Indian
Southern Hemisphere: Covered by more oceans then the Northern Hemisphere

6. Why is this not considered a lake?
Sea
What Is a Sea?
Why is this not considered a lake?
Not the same thing as an ocean
Smaller body of water than an ocean
Usually, surrounded by land