"Weather" PPT courseware

Description

"Weather" PPT courseware

Part One: Learning Objectives of this Section

1. Understand what weather is.

2. Able to read satellite cloud images and weather symbols

3. Learn to report the weather

4. Understand the relationship between air pollution index and air quality

Weather PPT, Part 2: Weather and Life

1. Weather and its characteristics

Weather: refers to the atmospheric conditions of a place in a short period of time; it is often described as cloudy, sunny, windy and rainy, hot or cold.

Characteristics: short time, changeable (different places at the same time, different weather; same place at different times, different weather)

2. Contents generally included in weather forecasts

① Weather phenomena - cloudy, sunny, rain, snow

②Temperature - highest temperature, lowest temperature

③Wind direction and force

Note: Weather phenomena and temperature are the most basic elements in weather forecasting

Activity:

Which of the following words describe weather and which describe climate?

Sunny and sunny ( ) Stormy and rainy ( )

All seasons are like spring ( ) Cloudy and cloudy ( )

Mild and rainy winter ( )

Cool in summer, cold in winter ( )

Weather PPT, part 3: Identify the weather by looking at pictures

1. Satellite cloud image

Satellite cloud image composition: superimposed on maps and images taken by meteorological satellites.

Identification of satellite cloud images:

green - land

blue ocean

White - cloud area

Note: The whiter the cloud area, the thicker the cloud layer. Places with thick cloud layers are generally cloudy and rainy; conversely, places without cloud areas generally have sunny weather. Cirrus cloud areas are usually typhoons.

2. Various weather symbols

①Changes in cloudiness and sunshine: sunny, cloudy, overcast

②Precipitation types: thundershowers, light rain, moderate rain, heavy rain, heavy rain

③Disastrous weather: heavy rain, heavy snow, sandstorm, typhoon (important)

④Other weather symbols: hail, fog, frost

⑤Wind direction and wind level symbols: Level 6 wind, Level 8 wind (important)

Weather PPT, Part 4: Pay attention to air quality

1. Air pollutants

① Smoke ② Harmful gas ③ Inhalable particulate matter

2. The relationship between air pollution index and air quality

The smaller the pollution index, the better the air quality and the more beneficial it is to human health.

The greater the pollution index, the worse the air quality and the more harmful it is to human health.

Note: An air pollution index of 100 is a watershed.

Keywords: Business Planet Edition seventh grade geography PPT courseware free download, weather PPT download, .PPT format;

For more information about the "Weather" PPT courseware, please click on the Weather PPT tab.

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File Info

Update Time: 2024-06-25

This template belongs to Geography courseware Business Planet Edition 7th Grade Geography Volume 1 industry PPT template

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