"Climate" China's natural environment PPT courseware 3

Description

"Climate" China's natural environment PPT courseware 3

teaching objectives:

1. Preliminarily learn to read isotherm diagrams and describe the characteristics of temperature distribution in my country.

2. Name the distribution of temperature zones in my country.

3. Use examples to explain the impact of temperature differences on production and life.

Review before class

1. What is climate? What are the two major components of climate?

2. What are the three major factors that affect climate? How do these three factors affect temperature?

How to read pictures? ? ? ?

The first step in reading pictures: reading the picture title

The second step in reading pictures: reading the legend

The third step of reading pictures: Provide information according to needs, analyze the rules, and explore the reasons.

summary

Temperature distribution characteristics:

There is a large temperature difference between north and south in winter, and high temperatures are common in summer.

In summer, except for areas such as the Qinghai-Tibet Plateau, high temperatures are common in most areas of my country.

Which place in my country has the coldest winter and hottest summer?

The coldest place in my country in winter is Arctic Village in Mohe County, Heilongjiang, with an average temperature of -30.6°C in January. There has been an extreme minimum temperature of -52.3°C.

The hottest place in my country in summer is Turpan in Xinjiang, with an average temperature of 33°C in July. It is known as "Fire Island". The extreme maximum temperature there once reached 49.6°C.

The original “Three Furnaces”: Chongqing, Wuhan, Nanjing, and Shanghai

The new “Four Furnaces”: Fuzhou, Hangzhou, Chongqing and Changsha

There is a large temperature difference between north and south in winter, and high temperatures are common in summer.

Think about it: What are the different phenomena in rivers north and south of the 0°C isotherm in January?

According to the temperature distribution pattern, the five-zone map of the earth is completed as shown below.

subtropical zone

warm temperate zone

cold temperate zone

middle temperate zone

Tropical

Qinghai-Tibet Plateau Region

The geographical significance of the Qinling-Huaihe River line

1. The 0℃ isotherm in January is roughly distributed along the Qinling-Huaihe River line

2. The dividing line between whether our country’s rivers freeze in winter

3. The dividing line between subtropical and warm temperate zones

Evaluation area

1. Dad wants to take Xia Ming to travel to Shanghai. Which month is best? ( )

A. January b. June c. July d. October

2. The walls of houses in northern my country are thicker, which is directly related to ( )

A. The amount of precipitation B. difference in terrain

C． The level of temperature D. Differences in vegetation

3. Residents in Sichuan, Hunan, Guizhou and other places have the habit of eating chili peppers. This may be related to the local ( )?

A. The climate is hot, especially in summer

B． The climate is humid, especially cold and humid in winter

C． Large temperature difference

D． cold winter

Keywords: China's natural environment teaching courseware, climate teaching courseware, People's Education Edition Geography PPT courseware download for the eighth grade volume, eighth grade geography slide courseware download, China's natural environment PPT courseware download, climate PPT courseware download, .PPT format;

For more information about the "China's Natural Environment and Climate" PPT courseware, please click on the China's Natural Environment ppt and climate ppt tag.

"my country's Climatic Characteristics and Major Meteorological Disasters" PPT courseware:

"my country's Climatic Characteristics and Major Meteorological Disasters" PPT courseware Part 1: What is a cold wave? It refers to the cold air coming from high latitudes that rapidly intensifies under specific weather conditions and invades mid- to low-latitudes, causing severe cooling and massive...

"Climate Characteristics and Major Meteorological Disasters in my country" PPT:

"my country's Climatic Characteristics and Main Meteorological Disasters" PPT Part One: Monsoon climate in eastern China: 1. my country's monsoon climate distribution range: areas east and south of the Daxinganling-Yinshan-Helan Mountain-Gangdise Mountains line 2. my country's climate types are: Tropical monsoon...

"Climate and Factors Affecting Climate" PPT download:

"Climate and Factors Affecting Climate" PPT Download Part One Content: Climate is a four-character word that describes the climate. The four seasons are like spring. The four seasons are distinct. It is cold all year round. It is hot all year round. Spring is warm, summer is cool, winter is dry, summer is rainy, winter is cold, summer is hot, there are four seasons, there is always winter, and there is summer all year round. Climate refers to the climate of a certain area. .

File Info

Update Time: 2024-11-21

This template belongs to Geography courseware People's Education Edition Geography for Grade 8 Volume 1 industry PPT template

Preview