1. Warm-up Week 1 Day 2 Mr. 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. TimeSpeed 0 sec0 m/s 21 44 78 910 0

2. The “Vast” World Ocean 14.1

4. How deep is the ocean? How much of Earth is covered by ocean? What is under all of that water?

5. “Blue Planet” Ocean = 71% of Earth Continents = 29% (Only!) 71% 29%

6. 4 Main Oceans 1. Pacific 2. Atlantic 3. Indian 4. Arctic “People Are Intelligent Always” “Southern Ocean”

8. Mapping the Ocean Floor Ocean Topography –As Diverse as Continents! –Valleys, Mountains, Volcanoes, Plains etc! Bathymetry –Bathos = Depth –Metry = Measurement –Measurement of ocean floor

9. How do we know?! Boats –S–Sonar –B–Bouncing sound waves Satellites –S–Sea level changes Submersibles –U–Underwater boat

10. 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