"Changeable Weather" Weather and Climate PPT Courseware

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"Changeable Weather" Weather and Climate PPT Courseware

The difference and connection between weather and climate

1. Weather

The concept of weather:

Weather refers to the atmospheric conditions of a place such as cloudy, sunny, windy and rainy, hot and cold, etc. in a short period of time

How to describe: Can you describe today's weather conditions?

——Using cloudy and sunny, windy and rainy, hot and cold to describe

Weather feature 1: short time

Weather Feature 2: The weather is different in the same place at different times

Was the weather the day before yesterday the same as today?

Weather features 3:

Different places at the same time have different weather.

What kind of weather conditions are reflected in the terms "the sun rises in the east and rains in the west" and "the weather varies ten miles apart"?

2. Climate

1. The concept of climate: refers to the average atmospheric conditions in a place for many years.

2. The two main elements of climate: temperature and precipitation

3. Climate characteristics: ① long time ② little change

1. The influence of weather

What aspects of our lives does weather have to do with it?

The relationship between weather and traffic

In rainy and snowy weather, the road is difficult to travel. Danger! ! !

often cause traffic jams

The relationship between weather and daily life

Life tips: A cold wave will affect this city in the next two days, and the temperature will drop.

8~10℃, citizens are reminded to wear more clothes to prevent infection

2. How will the weather be tomorrow?

Weather forecast production process

Observation - receiving data - processing data, drawing - analysis and judgment - making forecasts

Read the textbook page and think about the following three questions:

1. What conditions does the weather forecast describe during the day?

2. What are the main colors that can be seen in satellite cloud images, and what do they mean?

3. Do you recognize common weather symbols? Can you tell what they mean?

3. We need clean air

Air quality is a new concern in weather forecasting in recent years. The level of air quality is related to the amount of pollutants in the air and can be expressed by the pollution index.

PM2.5: refers to particulate matter in the atmosphere with a diameter less than or equal to 2.5 microns, also known as particulate matter that can enter the lungs. After being inhaled into the human body, it will directly enter the bronchus, interfere with the gas exchange in the lungs, and cause diseases including asthma, bronchitis, and cardiovascular disease.

The level of air quality is affected by natural factors on the one hand and human activities on the other.

Do you know how to do it?

1. Precipitation probability indicates the possibility of precipitation. A precipitation probability of 100% means certainty ( ); a precipitation probability of 0 means certainty ( ).

2. On the satellite cloud map, green represents ( ), blue represents ( ), white represents ( ), the whiter the white, represents ( ), and the following is generally ( ).

3. The outstanding characteristics of weather phenomena are ( )

A. Stable B. Changeable

C. Shows as cold and heat D. Shows as wind and rain process

4. Which of the following four sentences describes the weather ( )

A. Kunming is like spring all year round

B. The sound of wind and rain at night makes you wonder how many flowers have fallen

C. The wind will cool down tomorrow

D. The polar regions are severely cold all year round

E. Listen to the spring rain in the small building all night

F. Dry and less rainy all year round

G. Bingcheng auspicious snow falls every year

5. People often use sunny, rainy, windy, cold and hot to describe ________ (weather and climate)

9. The weather forecast issued by a city’s professional meteorological station at 08:00 on October 23, 2004:

[Urban weather] Cloudy today, cloudy to overcast tomorrow, cloudy to overcast the day after tomorrow with thundershowers Temperature: 26-15 ℃ Northeast wind level 5

Answer the following questions based on the above information:

The highest temperature on October 23rd is ______, which occurs around __________. The lowest temperature tends to be ______, and the daily range is ______.

Draw weather symbols and a diagram of the wind direction.

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

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Update Time: 2024-07-01

This template belongs to Geography courseware People's Education Edition Geography for Grade 7 Volume 1 industry PPT template

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