"Bat and Radar" PPT Courseware 2

Description

"Bat and Radar" PPT Courseware 2

bat capture moth mosquito avoid

Keen bell fly uncovers obstacles

Clear, dark, even smart

All kinds of secrets and imitations

Bats fly at night and can also catch moths and mosquitoes; and no matter how they fly, they have never collided with anything, and they can dexterously avoid even an extremely thin wire.

Can you arrange the words and draw arrows as shown before?

Radar, antenna, fluorescent screen, emitted radio waves, reflected back, obstacles

Let us fill in the blanks below according to the text content and read it again.

1. The radar antenna is like a bat’s ( ).

2. The radio waves emitted by radar are like bats ( ).

3. The fluorescent screen of a radar is like a bat’s ( ).

Operation:

1. Read paragraphs 3-7 carefully, and as a bat, talk about the scientists’ three experiments and the results of repeated research, and write them down on the original paper.

2. Look for articles on bionics to broaden your horizons.

3. You can try to observe the things around you, use your brain to think, and design a small invention.

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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 download:

"Bat and Radar" PPT Download Part One: Review Knowledge Through the study of the previous class, what knowledge did we learn about bats? Bats fly at night not with their eyes, but with their ears and mouth. The title of the article is "Bat and Radar", why...

"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..

File Info

Update Time: 2024-11-22

This template belongs to Chinese courseware People's Education Edition Chinese Language for Grade 4 Volume 2 industry PPT template

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