T/G Layout 1

280

Authors:

Mary Ann Bailey, Crossland High School, Temple Hills, Maryland

Terrence Nixon, Maryland Science Center, Baltimore, Maryland

Sandra Steele, Pikesville High School, Baltimore, Maryland

Sushmita Vargo, Washington International School, Washington, DC

Grade Level: 9–12

Objectives:

Students will be able to:

1. Identify the ITCZ on a satellite image,


2. Describe the fluctuation of the ITCZ, and


3. Hypothesize why the ITCZ shifts in position.

Relevant Disciplines:

Earth and space science, meteorology, geography

Time Requirement:

One class period

Image Format:

GOES

Prerequisite Skills:

Students should have knowledge and understanding of the following:

1. Latitude


2. Global wind patterns


3. Process of cloud formation


4. Seasonal shifts in the sun’s direct rays

Vocabulary:

cloud, convection, convergence, equator, intertropical convergence zone (ITCZ),

latitude, thunderstorm, the Tropic of Cancer, the Tropic of Capricorn

Materials:

1. GOES infrared images showing the ITCZ at different times of the year


2. World map


3. Blank transparencies


4. Colored transparency pens


5. Rulers


6. Paper towels


7. Water

SE A S O N A L MI G R AT I O N O F T H E I T C Z