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