"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 8

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"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 8

Think about it?

What is the epoch-making significance of the invention of this power machine?

In 1831, Faraday discovered the phenomenon of electromagnetic induction and found the key to opening the door to the treasure house of electrical energy.

second industrial revolution

Start time 1870s

Start sign Wide application of electricity

Main countries: United States and Germany

As a new energy source, what advantages does electricity have over steam power?

Electricity is clean, convenient, safe, cheap, fast in transmission speed, small in transmission loss, can be transported over long distances, and energy can be distributed according to household needs.

2. Edison, the “King of Inventions”

Some people praised Edison as a "genius", but he himself replied: "Genius is 1% inspiration and 99% perspiration."

How to understand this sentence?

The so-called "genius" means that although he is smarter than ordinary people, he is also more diligent than ordinary people. If young students want to become talents, they must first have a diligent character

What can we learn from Edison about his invention of the electric light?

In everything we do, we must have the courage to explore and perseverance of scientists. Everyone must start from now, study hard, and bravely reach the peak of science.

“Use your brain” on page 125 of the textbook:

What would our lives be like without electricity?

Our life will become very inconvenient, it will be dark at night, many household appliances cannot be turned on, etc.

Before there were electric lights, what methods did our ancestors use to illuminate themselves at night? What problems might arise?

At that time, people mostly used kerosene lamps, gas lamps, and candles for lighting. The lighting range was small and the brightness was poor, which was not conducive to widespread use.

3. The advent of automobiles and airplanes

Karl Benz designed the first light internal combustion engine based on summarizing previous experience. In 1885, Benz made a three-wheeled car powered by an internal combustion engine. There is a single-cylinder four-stroke engine at the rear, which uses gasoline as fuel and has a speed of 13 kilometers per hour. It is the first car to be put into practical use. Later, the Chinese translated it as "Benz" based on the transliteration of Benz's surname, which cleverly and appropriately showed the characteristics of the car.

The Mercedes-Benz No. 1 three-wheeled car was awarded the automobile manufacturing patent on January 29, 1886. This day is recognized as the birth day of the automobile. The fastest speed is 15km/h.

The impact of the second industrial revolution?

1. Humanity has entered the "electrical age" from the "steam age".

2. Promote greater development of the transportation industry.

3. A number of emerging industrial sectors have emerged.

4. It has greatly improved productivity, caused profound changes in social life, and promoted social progress.

Compared with the first industrial revolution, what new features does the second industrial revolution have?

1. The combination of science and technology promoted the second industrial revolution to achieve great results.

2. The second industrial revolution occurred almost simultaneously in several advanced capitalist countries.

3. In some backward capitalist countries, the two industrial revolutions were carried out overlappingly.

1. Practice on real questions:

1. People call the revolutionary changes in the production field in the 1760s the "Industrial Revolution". The "revolutionary changes" here first started in ( )

A. Cotton textile industry B. woolen industry

C. Transportation industry D. Mining and Metallurgy

2. Marx once predicted that "the steam king turned the entire world upside down in the previous century. Now that its rule has come to an end, another incomparably greater revolutionary force-the spark of electricity will take its place." The "spark of electricity" has transformed mankind. Bring into ( )

A. Steam Age b. electrical age

C. Atomic Age D. Information age

3. There is such an advertisement: "An apple made Newton attract the world, a pot of boiling water made Watt turn the world, and an element made Edison ignite the world...". Among them, the creation of "Edison ignited the world" is ( )

A. Improved steam engine B. Develop cars

C. Invented the incandescent lamp D. Discovered the law of universal gravitation

4． One morning, Xiao Cheng saw a message from his mother, which read: "Cheng Cheng: Mom is already on the plane to Beijing. Your father called and said that he sent some photos to your e-mail. , open it and take a look? Today, your grandma came from her hometown by car and arrived at about 10:30. Remember to pick her up at the station. The bulb of the study lamp is broken. Buy a new one and replace it." From the message, this family Enjoy the achievement package of the second scientific and technological revolution ( )

A. ①②③ B. ①②④ C． ①③④ D． ②③④

2. Development training

1. Contact table data, compare the results of the two industrial revolutions, and talk about what useful enlightenments they can give us?

The two industrial revolutions have shown that science and technology are huge productive forces; science and technology promote social progress; to revitalize the economy, we must first revitalize science and technology; our country must implement the strategy of rejuvenating the country through science and education and the strategy of strengthening the country through talent; we must learn from scientists’ spirit of courage to innovate and strive to explore the mysteries of science. Quality etc.

2. What problems do the changes in table data reflect? Do you think Britain’s “empire on which the sun never sets” will be challenged?

The table intuitively illustrates that after the second industrial revolution, the United States and Germany caught up and became the world's first and second economic powers respectively, while the United Kingdom and France lagged behind. Due to the obvious changes in the economic strength of major capitalist countries, Britain's "Empire on which the Sun Never Sets" will inevitably be challenged. Will the world still be peaceful? Please listen to the explanation in the next lesson.

Inspiration:

1 Science and technology are the primary productive forces

2 The innovative spirit of scientists is admirable

3. While developing the economy, we must pay attention to protecting the environment.

Easy points of confusion: two industrial revolutions

(1) During the first industrial revolution, science and technology had not yet been truly combined; during the second industrial revolution, natural science began to be closely integrated with industrial production and achieved great results.

(2) The first industrial revolution first occurred in the United Kingdom, and important new machines and new production methods were mainly invented in the United Kingdom; while the second industrial revolution occurred almost simultaneously in several advanced capitalist countries.

(3) At the beginning of the second industrial revolution, there were situations where some countries, such as Japan, that had not completed the first industrial revolution, carried out two industrial revolutions at a time.

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"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 7:

"Humanity Enters the Electrical Age" The World in the Era of Monopoly Capitalism PPT Courseware 7 1. The arrival of the electrical age The first industrial revolution The steam age The second industrial revolution The electrical age How was electricity invented? How did it enter the actual production field? ..

"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 6:

"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 6 Content Standards 1. List the historical facts of the widespread use of electricity and understand the characteristics of the second industrial revolution. 2. Know the invention activities of Benz and the Wright brothers, and understand the two transportation technologies of automobiles and airplanes..

"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 5:

"Humanity Enters the Electrical Age" The World in the Era of Monopoly Capitalism PPT Courseware 5 Integrating knowledge in connection with life 1. What electrical appliances are often used in your family life? What do they do? 2. Combined with the relevant knowledge of physics, please tell us how electricity works...

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Update Time: 2024-10-21

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