Study Guide Chapter 15

Know all vocabulary

Study Quiz

Study Homework

Review Questions

Worksheet

I. Oceans:

    1- Exploration- Challenger, Meteor and Topex/Poseidon- know how each one contributed to oceanography

    2- Know definitions of sonar and side-scan sonar

II. Origins of Oceans

    1- Evidence-radioactive studies-ancient rocks and lava flows

    2- Two Sources- Comets and Volcanism (know how each contributed to the formation of oceans)

III. Distribution of Earth's Water

    1- 97% Oceans, 3% freshwater (located in ice caps)

    2- Average sea level and Depth

    3- Majority located in Southern Hemisphere- %(?)

    4- Major Oceans and Seas

    5- Sea Ice- Locations

IV. Seawater

    1- Salinity-effects on density (35 ppt)

    2- Properties of Seawater- major ions- use chart in text

    3- Variations- Regions and causes of variations in salinity

    4- Know the sources of sea salt

V. Physical Properties

    1- Density- Temperature and salinity

    2- Freezing point: -2C , Surface Temperature: 15C

    3- Light- Reflection of wavelengths

    4- Ocean layering- caused by density difference

VI. Ocean Movements

    1- Know Deep Atlantic Ocean currents

    2- Parts of Wave and Wave height (factors)

    3- Tides- Spring and Neap- How they are formed?

    4- Ocean Currents and Gyres- pg. 404 figure 15-23