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Warm-up Week 1 Day 2Mr. Jackson loves to snow-board in the winter. To the right is a table showing his speed at certain times going down the hill.
1. What type of graph will you use to show the relation-ship between time and Mr. Jackson’s speed?
2. Sketch a graph with accurate ordered pairs
3. Title your graph.
4. Label both axes.
Time Speed
0 sec 0 m/s
2 1
4 4
7 8
9 10
10 0
The “Vast” World Ocean
14.1
How deep is the ocean?
How much of Earth is covered by ocean?
What is under all of that water?
“Blue Planet”
• Ocean = 71% of Earth• Continents = 29% (Only!)
71%29%
4 Main Oceans1. Pacific
2. Atlantic
3. Indian
4. Arctic
“People Are Intelligent Always”
“Southern Ocean”
Mapping the Ocean Floor
• Ocean Topography – As Diverse as Continents!– Valleys, Mountains, Volcanoes, Plains etc!
• Bathymetry– Bathos = Depth– Metry = Measurement– Measurement of ocean floor
How do we know?!• Boats
– Sonar– Bouncing sound
waves
• Satellites– Sea level changes
• Submersibles– Underwater boat
REVIEW
1. What are the 4 main oceans?
2. How much of Earth is covered by water?
3. What does Bathymetry mean?
4. How do we know about the ocean floor?
Pacific, Atlantic, Indian, Arctic
71%
Measuring ocean depths
Boats, Sonar, Satellites, Submersibles