"Fly with the wings of science" exercise PPT (Lesson 1)

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"Fly with the wings of science" exercise PPT (Lesson 1)

Part One: Learning Objectives

1. Understand the general description methods of science fiction stories and cultivate students’ expression and writing abilities.

2. Learn how to better express your ideas and convince others.

Imagine if your brain could copy knowledge directly from a book.

Imagine if you had a backpack aircraft.

Imagine if you used a time machine to travel back in time to the age of the dinosaurs.

Put on the wings of science and fly PPT, part two: explanation of exercises

1. What is the science fiction story that impressed you most?

science fiction school

Students, think about it, what will our future school look like? Let me tell you, schools in the future are likely to become "science fiction schools."

Do you want to know what a science fiction school is like? Then let me tell you!

As soon as you enter the science fiction school, there are many flowers and plants. What you may not expect is that the flowers and plants in the science fiction school are not grown, but made by machines. However, those mechanical flowers and plants can also inhale carbon dioxide and spit it out. oxygen. As soon as you look up, the tall buildings of the school will come into view. The teaching building is thirty stories high, and there is a passage on each floor. The passage does not let you walk or take the elevator. Instead, you walk into the passage and shout "Get up" (and shout out which number "Layer)", that passage will be like a space-time tunnel, your body will float slowly, the colors around you will be colorful, and you will reach the building you want to go to in just ten seconds.

Walking into the classroom, there is no podium or blackboard, only computers on the students' desks. Games cannot be played on the computers, otherwise students will play games after class. The teacher will send the class materials to the students' computers so that the students can study by themselves. If you have any questions, you can ask them on the computer. The teacher will also answer the questions raised by the students on the computer. During the exam, in order to prevent students from cheating, everyone's test paper is different. As long as the teacher sends a sentence to the students on the computer: "Time is up!" The students have to submit their homework, and the computer cannot In three seconds, it will help you correct the wrong questions on the test paper and write down the scores.

Students, do you hope that the future school will be like this? Then study hard, make progress every day, become scientists in the future, change the current school, and become an official science fiction school.

2. What scientific technologies are written in the story that do not exist in reality but look convincing?

(1) The flowers and plants in science fiction schools are not grown, but made by machines.

(2) That passage will be like a time and space tunnel. Your body will float slowly, and the colors around you will be colorful. It only takes ten seconds to reach the building you want to go to.

(3) When you walk into the classroom, there is no podium or blackboard. There are only computers on the desks of the students. You cannot play games on the computers, otherwise the students will play games after class.

3. What impact have these sciences and technologies had on people’s lives and destiny?

(1) Life is more comfortable

(2) Life is more convenient

(3) Life becomes smarter

Put on the wings of science and fly PPT, the third part: the four great inventions of ancient China

The Four Great Inventions is a view on the history of science and technology in China. It refers to the four inventions that had a great impact on the world in ancient China. They are important creations of the working people in ancient China. They refer to papermaking, the compass, gunpowder and printing. .

compass

A compass is a pointing instrument made by using the north-south polarity of a magnet in the earth's magnetic field. It comes in many shapes. As early as the Warring States Period, Chinese ancestors had used natural magnets to make Sinan's spoons to indicate directions. During the Wei Dynasty of the Three Kingdoms, Ma Jun created a mechanical device that could indicate directions - the compass. Shen Kuo, a scientist from the Song Dynasty, recorded the method of making magnetic needles for pointing in his "Mengxi Bi Tan". Later, it developed into a compass with a magnetic needle and an azimuth disk integrated into one. The invention of the compass played a great role in the development of maritime transportation and economic and cultural exchanges.

Papermaking

Papermaking is one of China's four great inventions and an outstanding invention in the history of human civilization. China is the first country in the world to raise silkworms and weave silk. In ancient China, the working people made silk from high-grade silkworm cocoons, and used the remaining bad cocoons and diseased cocoons to make silk floss using the floc method. After bleaching the catkins, there will be some residual catkins left on the bamboo mat. When the wadding is bleached a lot, the remaining wadding on the bamboo mat will accumulate into a thin layer of fiber, which can be peeled off after drying and can be used for writing. The by-product of this kind of floating catkins is not large in quantity, and it is called hex or square catkins in ancient books. This shows that the origin of Chinese papermaking is closely related to silk batting.

gunpowder

Gunpowder was invented by ancient Chinese alchemists in the Sui and Tang Dynasties, more than a thousand years ago. The study of gunpowder began with ancient Taoist alchemy. The ancients refined elixirs in order to seek immortality. The purpose and motivation of alchemy were advanced, but its experimental methods still had merits, which eventually led to the invention of gunpowder.

typography

China is the first country in the world to invent printing. In early printing, pictures and text were engraved on wooden boards and printed with ink. Woodblock watermarks still use this method, collectively known as "block printing" (also known as "block printing"). The predecessor of block printing was popular in BC Seals and seals and rubbings and tablets appeared later. After the emergence of production technologies such as paper making and ink making, block printing technology was gradually invented.

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Update Time: 2024-07-23

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

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