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Category | Format | Size |
---|---|---|
People's Education Press fourth grade Chinese textbook | pptx | 6 MB |
Description
"Bat and Radar" PPT download
Part One: Review knowledge
What did we learn about bats from the previous lesson?
Bats fly at night not with their eyes, but with their ears and mouth.
The title of the article is "Bat and Radar". Why is it mentioned that planes fly at night?
Two bright spots appeared in the clear night sky. As they got closer, they could see clearly that they were two lights, one red and one green. Then there was a rumble. It was a plane flying at night.
Planes can fly at night because of radar. Radar was invented based on the revelation of bats. The opening chapter mentions airplanes flying at night, which can arouse readers' interest in exploration.
What are the characteristics of this sentence?
How do airplanes fly safely in the dark night? It turns out that people got inspiration from bats.
This is a question, and it is also a transitional sentence. It asks and answers itself, inspiring the reader's thinking, and serving as a link between the past and the next.
Bats and Radar PPT, Part 2: Experimental Exploration
first experiment
There were many ropes stretched across a room, and many bells were tied to the ropes. They blindfolded the bat and let it fly around the house.
How did scientists uncover the mystery of this creature?
second experiment
Plug the bat's ears.
Objective: To explore whether bats' night flight is related to their ears.
The result: bats flying around the house and bells ringing.
Conclusion: Night flight of bats is related to their ears.
third experiment
Plug the bat's mouth.
Objective: To explore whether night flight of bats is related to their mouths.
The result: bats flying around the house and bells ringing.
Conclusion: Night flight of bats is related to their mouths.
Three different experiments have proven that bats fly at night not by their eyes, but by using their mouths and ears to find their way.
Bats and Radar PPT, Part 3: Classroom Exercises
Add one plus to change it into a new word in this lesson and then form a word.
Household + mouth = ( ) 蠠+正= ( )
Add + Horse = ( ) Insect + Text = ( )
Write sentences like this
Example: It makes a sound from its mouth while flying.
Mom cooks and sings at the same time.
The teacher corrected the homework and asked questions.
Keywords: Free download of Chinese PPT courseware for the fourth grade of the People's Education Press, Volume 1, bat and radar PPT download, .PPT format;
For more information about the "Bat and Radar" PPT courseware, please click the "Bat and Radar ppt" tab.
"Bat and Radar" PPT teaching courseware:
The first part of the PPT teaching courseware "Bat and Radar": Learning objectives 1. Recognize 12 new words such as bat and bat, read polyphonic characters accurately, write 14 words such as da and mosquito, and write 13 words such as radar and safety. . 2. Read the questions beside and after the text and ask your own...
"Bat and Radar" PPT:
"Bat and Radar" PPT Part One Content: Objectives of this lesson 1. Be able to recognize 13 new words in this lesson, be able to write 14 new words, and understand words composed of new words. (Key points) 2. Read the text aloud and understand the safety of aircraft flying at night and the characteristics of bat pathfinding. (Key points) 3. Stimulate learning..
"Bat and Radar" PPT courseware 5:
"Bat and Radar" PPT courseware 5 Self-study requirements: (1) Read: read the pronunciation of the characters accurately and read through the text. (2) Think about it: How can an airplane fly safely in the dark night? (3) Ask: What questions do you have after reading the text? ... ... ... study..
File Info
Update Time: 2024-10-20
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