"Weather Forecast" PPT

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"Weather Forecast" PPT

Part 1: Pre-class exercises

1. The weather elements mainly include __＿, __＿, wind, humidity, and __＿.

2. Atmospheric pressure also has a great influence on the weather. Generally speaking, the center of ____ district has sunny and dry weather, while the center of ____ district has mostly cloudy and rainy weather.

General methods for obtaining weather forecasts:

Collect weather information by watching TV, listening to the radio, calling 121, surfing the Internet, etc.

Analyze weather maps and make your own predictions

Make meteorological observations

Part 2 content: Weather forecast:

It is a judgment made by meteorological experts on future weather after scientific analysis of atmospheric data collected by weather stations in various places. It is generally released to the public through the media. There are specific weather forecast symbols on the weather forecast map.

1. How to read the weather forecast

Discussion: The following is the weather forecast for a certain day in Shaoxing. Do you know what these weather forecast terms mean?

Tomorrow will be cloudy to cloudy. There will be light rain sometimes, the probability of precipitation is 15%, southerly wind level 3, 15℃-23℃.

1. Cloud cover and weather

Tomorrow will be cloudy to cloudy. There will be light rain sometimes, the probability of precipitation is 15%, southerly wind level 3, 15℃-23℃.

2. Precipitation and weather

3. Precipitation probability indicates the possibility of precipitation.

4. 15℃-23℃ indicates the minimum temperature and maximum temperature

5. Wind direction and force

Weather forecast PPT, part three: common weather systems

(1) High pressure system

A closed isobars with higher pressure toward the center.

(2) Low pressure system

A closed isobars with lower pressure toward the center.

Common weather systems - fronts (fronts, fronts)

Front: The interface between warm and cold air masses

Front: The intersection between the front and the ground

The front is often accompanied by clouds, rain, strong winds and other weather conditions

Weather forecast PPT, part 4: discussion

Find out the location of the larger weather systems affecting our country that day.

Qinghai, eastern Tibet, and western Sichuan are controlled by low pressure, and Inner Mongolia is controlled by a cold front. The remaining areas are controlled by high pressure. The typhoon is located in the eastern ocean of Taiwan Province.

The current ways to obtain information for weather forecasts are: ground observation stations, __________, weather radar, weather detection rockets, __________, maritime ships, automatic marine meteorological data collection devices, __________, etc.

Think: Explain the proverb that predicts the weather: such as "the sun shines in the east and the rain in the west".

Our country's weather systems are affected by westerly airflow and mostly move eastward. A rainbow in the east means that the air in the east is humid and the air in the west is drier. In the future, dry air masses will affect the local area, and the weather will be fine. In the same way, it can be seen that if the rainbow appears in the west, it will be rainy.

Weather forecast PPT, Part 5: Consolidation exercises

1. The following phenomena are mainly caused by the passage of cold fronts ( )

A The plum rain in the Jianghuai River Basin B The cold wave that breaks out in winter

C Typhoon on the southern coast D Thunderstorm in Jiangnan in summer

2. Which of the following is the correct description of the weather conditions in places a, b, c, and d ( )

A The weather is cloudy and rainy in all four places B The weather is sunny in two places a and c

C It will be sunny in all four places. D b and c will be cloudy and rainy.

Keywords: Zhejiang Education Edition eighth grade science PPT courseware free download, weather forecast PPT download, .PPT format;

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"Weather Forecast" PPT courseware:

"Weather Forecast" PPT courseware Self-reading requirements 1. Read the pronunciation of the characters correctly, do not lose words, do not add words, make correct words, and do not change words. 2. Mark the words that are difficult to pronounce and read them several times with the help of pinyin. Learn to listen. Listen carefully to the pronunciation of words and the pauses in sentences. ... ... ... recognize..

"Starting with Weather Forecast" PPT courseware 2:

"Start with the Weather Forecast" PPT Courseware 2 Start with the Weather Forecast ⑴ Speech is very particular. In addition to expressing meaning, it must also pursue the color, image, and emotion of the language to make it beautiful, tasteful, and With style and taste. ⑵Take the weather for example, people...

"Starting with Weather Forecast" PPT courseware:

"Starting with Weather Forecast" PPT courseware First Reading Perception Read the text aloud freely and complete the following exercises: 1. What does the text mainly tell us? How do you know? 2. Mark the natural segment number. The full text can be divided into several parts. What does each part talk about? 3. Mark the birth word..

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Update Time: 2024-12-02

This template belongs to science courseware Zhejiang Education Edition Eighth Grade Science Volume 1 industry PPT template

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