"Weather Calendar" Weather PPT Courseware 2

Description

"Weather Calendar" Weather PPT Courseware 2

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1. The main characteristics of weather include: (four elements)

2. Can you describe today's weather in your own words?

3. Do you know them?

rainfall level

Rainfall levels are determined as follows:

Within 24 hours, if the rainfall does not exceed 10 mm, it is called light rain; if the rainfall is 5-17 mm, it is light-moderate rain; if the rainfall is 10-25 mm, it is moderate rain; if the rainfall is 17-38 mm, it is medium-heavy rain ; A rainfall of 25-50 mm is considered a heavy rain; a rainfall exceeding 50 mm in 24 hours is a heavy rain; a rainfall exceeding 100 mm is a heavy rain; a rainfall exceeding 200 mm is an extremely heavy rain.

practice

1. Fill in the blanks

1. The weather calendar is a table that records various ( ) events every day. With the weather calendar, you can use some simple methods to record long-term weather observations, and use these records to analyze ( ) within a period of time and find the pattern of ( ).

2. In the weather calendar, we can use some ( ) to record ( ), ( ), ( ), ( ), etc.

2. Judgment

1. On rainy days we can see swallows flying freely at high altitudes. ( )

2. Observe weather changes and try to do it at the same time every day. ( )

3. You should not stop observing the weather during weekends and holidays. ( )

4. When broadcasting the weather forecast, you can observe the weather at any time. (× )

3. Choice

1. In the weather calendar, the simplified wind speed level is ().

A.Level 1 B.Level 12 C.Level 10 D.Level 13

2.The temperature is represented by ( ).

A. ℃ B. ℃F C.N

3. The temperature changes ( ) regularly.

A. Unable to determine B. Yes C. No

4. The following statement is correct ( ).

A.The weather changes every day

B. Weather changes in one month can represent changes in a year

CThe weather is almost unchanged throughout the year

4. Questions and Answers

What are the characteristics of people's production and life in autumn? Are these characteristics related to weather changes?

Answer: The weather is getting cooler in autumn, people are beginning to put on autumn clothes, the crops in the fields are beginning to mature, and people are busy harvesting. These characteristics are closely related to weather changes.

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

"Weather Calendar" weather PPT download:

"Weather Calendar" weather PPT download Part 1: 1. Recognize some weather symbols 1. Understand the weather calendar. Creating a weather calendar is a great way to keep track of the weather. A table that records various weather phenomena every day is called a weather calendar. Where is the weather calendar...

"Weather Calendar" Weather PPT:

"Weather Calendar" Weather PPT Part One: Recognize some weather symbols In the weather calendar, we can use some weather symbols to record cloud cover, precipitation, wind speed and wind direction, etc. Are these the same symbols used for weather forecasts on TV? ... ...

"Weather Calendar" Weather PPT Courseware 3:

"Weather Calendar" Weather PPT Courseware 3 Rainfall levels are stipulated as follows: Within 24 hours, if the rainfall does not exceed 10 mm, it is called light rain; if the rainfall is 1025 mm, it is moderate rain; if the rainfall is 2550 mm, it is heavy rain; if it exceeds 2550 mm, it is called heavy rain. 50 mm is considered heavy rain; more than 1..

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Update Time: 2024-09-30

This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template

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