"Bee" PPT

Description

"Bee" PPT

Part One: First Lesson

Fabre: a famous French scientist and popular science writer. Once, he was taking his students to an outdoor geometry class. Suddenly, he found bees and honeycombs on the rocks. From then on, the "worm's heart" glowed. He is determined to be a person who writes history for insects. He spent his whole life going deep into the world of insects, observing and experimenting with insects in their natural environment, truly recording their instincts and habits, and writing a 10-volume "Insect Diary".

"Insect Diary": This book truly reflects Fabre's observations and experiments on insects in the natural environment, and records the instincts and habits of insects. It is not only a scientific masterpiece on the study of insects, but also a eulogy of life. magnificent poem.

word explanation

Accurate: The description is very precise without any error.

He picked up the bow and arrow and hit the bullseye accurately.

Instinct: refers to the ability that is inherent in oneself and cannot be learned.

Eating is instinctive for us.

Speculate

Refers to imagining things you don’t know based on things you already know.

overall perception

Read the text freely and think about what issues related to bees this article writes about?

It is said that bees have the ability to identify directions. No matter where they fly, they can always return to their original place. I want to do an experiment.

Little pen practice

It is said that bees have the ability to identify directions. No matter where they fly, they can always return to their original place.

A. No matter how busy my father is, he is always with me.

B. Regardless of whether my test scores are good or bad, I always maintain an optimistic attitude.

Classroom drill

1. Cross out the typos in the following words and write the correct words in brackets.

Push side (test) Shake far (remote) Type test (test)

Oral generation (bag) Jiyili (memory)

2. Determine right and wrong.

1. The word "trial" in "experiment" is pronounced as shì, not shí. ()

2. The word "ji" in "coffee table" is pronounced jǐ, not jī. ()

Bee PPT, part 2 content: second lesson

In the last class, we learned new words and watched the shapes of various insects and bees. In this class, we will continue to walk into "Insects" with the author and into the world of bees.

Read the second natural paragraph freely and see what are the links in the experiment?

One day, I (first) caught some bees in the honeycomb of my hay shed and put them in a paper bag.

(Again) To confirm that the bees that flew back to the garden were released by me, I made white marks on their backs.

Then, I asked my little daughter to wait by the honeycomb,

(Also) I walked four kilometers with about twenty marked bees, opened the paper bag, and released them.

rhetorical question

I thought, they fly so low, they can see their distant home

Think about it: What tone does a rhetorical question convey?

Affirmative sentence: I think they fly so low that they cannot see their distant home.

experimental report

Verification content: The ability of bees to identify directions

Verification process: ① Select about 20 bees, put them in a paper bag ② Mark them, take them four kilometers away and release them.

Verification results: 17 out of about 20 birds flew back.

Topic summary

This text is written by Fabre in order to understand the ability of bees to identify directions. Through experiments, he learned that bees do not rely on extraordinary memory to identify directions, but rely on an unexplainable instinct. It shows that Fabre is good at observation, good at thinking, and rigorous style. , truth-seeking and pragmatic work attitude.

Expand and extend

After harvesting the honey from hundreds of flowers, it will be sweet to whomever you work hard for - Luo Yin's "Song of the Bee"

The flowers are surrounded by bees, and the fruit weeping apes climb opposite each other. ——Wang Anshi's "Beishan Twilight Reveals the Taoist"

Class exercises

1. Fill in the blanks with related words.

Because... so... not... but despite... but

(Because) bees have the ability to identify directions, (so) no matter where they fly, they can always return to their original place.

Bees rely on (not) extraordinary memory, (but) an instinct that I can't explain.

(Although) they flew against the wind, and there were some unfamiliar scenery along the way, (but) they did fly back.

2. Please imitate the example sentence and write a paragraph.

Example: Bees do not rely on extraordinary memory, but an instinct that I cannot explain.

Xiao Ming didn’t forget to bring his homework, but he didn’t write it at all.

Keywords: Free download of Chinese PPT courseware for the second volume of the third grade of the Ministry of Education Edition, bee PPT download, .PPT format;

For more information about the "Bee" PPT courseware, please click on the "Bee ppt" tab.

Cute cartoon bee PPT template:

This is a set of cute cartoon hand-drawn style, bee-themed PPT templates, 25 in total; the slide template cover uses a yellow circle, with several cartoon bees flying over in the center area, and an oval honeycomb in the distance. A postmark style text box is used to fill in the PPT label...

"The Hard-working Little Bee" PPT Courseware 10:

"The Hard-working Little Bee" PPT Courseware 10 1. Situation Introduction 189 cabbages have been inspected and 394 cabbages have not been inspected. How many cabbages are there in total? There were 158 ladybugs in the cabbage patch and 247 ladybugs in the eggplant patch. How many ladybugs were there in the two vegetable gardens? There are 435 eggplants...

"The Hard-working Little Bee" PPT Courseware 9:

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File Info

Update Time: 2024-11-23

This template belongs to Chinese courseware People's Education Press Chinese Language for Grade 3 Volume 2 industry PPT template

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