Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
E-education edition sixth grade science volume 1
Fifth Grade Science Volume 2, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 1
Zhejiang Education Edition Seventh Grade Science Volume 2
Category | Format | Size |
---|---|---|
Zhejiang Education Edition Eighth Grade Science Volume 1 | pptx | 6 MB |
Description
"Wind and Precipitation" PPT download
Part 1: How is wind formed?
(Note: Air flow in the vertical direction is not considered wind)
Wind is the horizontal movement of air.
Wind is caused by differences in air pressure at the same level.
Wind flows from areas of high pressure to areas of low pressure.
heat island effect
In the hot summer heat wave, when analyzing the temperature distribution in cities and urban suburbs, an obvious high-temperature area appears in the urban area. It is not difficult to find that the temperature in the city is obviously higher than the temperature in the surrounding suburbs. Meteorologically, it is called "Urban Heat Island".
A said: The city is so hot, the wind must be blowing from the city to the suburbs
B said: Based on the air pressure analysis, the wind should blow from the suburbs to the city.
Wind and precipitation PPT, part 2 content: Discussion:
1. In meteorological observation, is the wind direction pointed by the arrow of the wind vane, or is it pointed by the tail of the arrow?
The wind direction is the direction the wind vane arrow points.
2. In daily life, what other methods can we use to judge the direction of the wind?
The direction of the flag, the direction of the smoke, the direction of the leaves, etc.
Are they oriented in the same direction as the wind?
The swing direction is opposite to the wind direction
Wind and precipitation PPT, part 3: The impact of wind on humans and animals
Discussion: Wind has a great impact on human life. Which animal behaviors are also related to wind?
Before a big storm comes, camels in the desert will show fear and refuse to walk;
When there is strong wind, some flying animals cannot take off easily.
Wind and precipitation PPT, part 4 content: thinking:
1. What beneficial things can the wind do for us?
Wind is a resource that can be used to generate electricity, sail boats, exercise, pollen flowers, bring moisture or dryness, etc.
2. What hazards do strong winds often cause?
Strong winds can cause harm to humans and animals, such as blowing down buildings, damaging crops, forming storm surges, capsizing ships, etc.
Keywords: Zhejiang Education Edition eighth grade science PPT courseware free download, wind and precipitation PPT download, .PPT format;
For more information about the "Wind and Precipitation" PPT courseware, please click on the "Wind and Precipitation ppt" tab.
"Wind and Precipitation" PPT courseware:
"Wind and Precipitation" PPT courseware Part One: Thinking and Discussion: How to prove that there is water vapor in the air? 1. When you open the refrigerator, fog will appear. 2. The drink just taken out of the refrigerator will start to sweat after a while if left in the air. Anytime, anywhere...
"Wind and Precipitation" PPT:
The first part of the PPT "Wind and Precipitation": Guess the three autumn leaves that fall can bloom February flowers. Thousands of feet of waves are crossing the river, and thousands of bamboo poles are sloping into the water. "Wind" Li Qiao Think about it. Can the wind pour out of Grandma Feng's pocket? How is wind formed? Just like water flowing from high to low...
File Info
Update Time: 2024-10-19
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