"How Hard It Rains" Changing Weather PPT Courseware

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"How Hard It Rains" Changing Weather PPT Courseware

Measuring rainfall with a homemade rain gauge

Place the rain gauge in an open area before it rains. In order to prevent rainwater that has fallen to the ground from splashing in, the rain gauge should be placed 70 cm above the ground (the distance between the mouth of the tube and the ground).

After the rainfall is over, use a ruler to measure the depth of water in the rain gauge. This value is the amount of rainfall this time.

Synchronous detection

1. Fill in the blanks.

1. The answer to the riddle "Thousands of lines, ten thousand lines, invisible when dropped into water" is ( ).

2. When observing rainfall at school, it is best to place the rain gauge at ( ).

3. To prevent water falling on the ground from splashing in, the rain gauge should be placed at ( ).

4. After the rainfall, you should use ( ) to measure the depth of water in the rain gauge.

5. During ( ) period, the emperor had ordered all states and counties across the country to report the amount of rainfall.

2. Judgment questions.

1. Precipitation is a basic characteristic of weather. ( )

2. To know how hard it rains, measure the amount of rain. ( )

3. The instrument for measuring rainfall is called a rain gauge. ( )

4. The rainfall scale is divided into six levels. ( )

5. Heavy rain occurs when rainfall reaches 10 to 25 mm in 24 hours. ( )

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For more information about the PPT courseware "How Much Will the Rain Fall in the Changing Weather", please click the "How Much Will the Rain Fall in the Changing Weather" ppt tag.

"How Hard It Rains" Changing Weather PPT Courseware 3:

"How Much Does It Rain?" Changing Weather PPT Courseware 3 What is rainfall? The depth of rainwater that falls from the sky on the ground and accumulates on the ground without evaporation, infiltration, or loss is called rainfall. What is the unit of rainfall? The unit of rainfall..

"How Hard It Rains" Changing Weather PPT Courseware 2:

"How Hard It Rains" Changing Weather PPT Courseware 2 Rain has a great impact on our lives. You can only roughly know how heavy the rain is with your eyes and ears. If you want to know exactly how hard the rain is, you need to use a rain gauge to measure it. . Make a rain gauge and test it. 1 Along the shoulder of the plastic bottle...

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Update Time: 2024-10-14

This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 2 industry PPT template

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