sept 17, 2014 what is a typhoon
TRANSCRIPT
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According to Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA), about 20 tropical cyclones
enter the Philippine Area of Responsibility (PAR) each
year.
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Tropical depression, tropical storm and
typhoon are the categories of earthquake.
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Typhoon is used only in the northwest part of
the Pacific Ocean, while in northeast part and Atlantic Ocean, it
is called hurricane.
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Group Activity:What is a typhoon?
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Procedure:1. Form a group composed of 5-6 students.
2. Assign a leader, a group secretary, a timer and a presenter.
3. distribute the questionNAIRE to each group.
4. read the article about tropical cyclone.
5. present the output after 30 minutes.
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Questions:1. What is a tropical depression?
2. What is the maximum sustained wind of a tropical depression?
3. Give one distinct feature of a tropical depression.
4. What is a tropical storm?5. What is the maximum sustained
wind of a tropical storm?
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Questions:6. Give one distinct feature of
a tropical storm.7. What is a typhoon?
8. What is the maximum sustained wind of a typhoon?
9. Give one distinct feature of a typhoon.
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Tropical cyclone
- is a system of thunderstorms that are moving around a center.-occur all around the world. -hurricanes in the Atlantic and Caribbean, typhoons in the West Pacific, bagyo in the Philippines, cordonazos in Mexico, and tainos in Haiti.
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Categories ofTropical cyclones
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Tropical Depression - An organized system of
clouds and thunderstorms.
- maximum sustained winds of 39 mph (mile per hour) of less.
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- Tropical Storm- - An organized
system of strong thunderstorms
- maximum sustained winds of 39-73 mph.
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• Typhoon• - An intense tropical
weather system with a well-defined circulation
• maximum sustained winds of 74 mph or higher.
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Concept Map
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Quiz
• True or False
• 1. According to PAGASA, about 20 tropical cyclones enter the Philippine Area of Responsibility each year.
• 2. Tropical depression, tropical storm, and typhoon are the categories of tropical cycle.
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Quiz• True or False
• 3. Tropical cyclone is a system of thunderstorms that are moving around a center.
• 4. Typhoon is the Earth’s strongest tropical cyclone.
• 5. If there is a typhoon, people should avoid riding in any seacraft – boats and ships.
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• 1. What is the maximum wind speed in kilometer per hour (kph) of tropical depression, tropical storm and typhoon?
• 2. What is PAR?
• Page 139
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Reference
• Science 8 Textbook (deped)