"The Arrival of the "Electrical Age"" PPT Courseware for the Second Industrial Revolution

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"The Arrival of the "Electrical Age"" PPT Courseware for the Second Industrial Revolution

first industrial revolution

1. Time: 1860s-1870s

2. Important symbol: The improved steam engine made by Watt is put into use

3. Leading country: UK

4. Energy: Coal

5. Entering the Era: Humanity enters the "Steam Age"

6. Representative figures: Watt, Fulton, Stephenson

7. Major inventions: spinning jenny, steam engine, steamboat, train and locomotive

8. Political premise: Britain was the first to establish the capitalist system in the 17th century

9. Important impact: Created huge social productivity

Overview of the Second Industrial Revolution

Time: The second half of the 19th century to the beginning of the 20th century

Origin: United States, Germany

Read P3-P7 and think:

1. What are the new energy sources emerging in the second technological revolution?

2. What are the main inventions related to electricity?

Generators, electric motors, high-voltage transmission technology,

Electric lights, telegraphs, phonographs, cameras, projectors, batteries...

The arrival of the "electrical age"

Electricity enters the production field

The replacement of steam power by electricity is a sign of significant improvement in social productivity. Since then, mankind has entered the "Electrical Age" and capitalist production has also entered a new stage.

Areas of life:

(1) New communication - telephone

(2) New communication - telegraph

(3) New transportation - tram

Effects of electricity:

A. Electricity provides indispensable new energy for mankind.

B. (Impact on life) A large number of household appliances were invented, making life more convenient and richer; improving the quality of life, changing lifestyles, and bringing mankind into the electrification era.

C. Promote the rapid development of steel and other industrial sectors, bringing mankind into the "steel age".

D. In short (the most significant impact): The widespread application of electricity has brought mankind into the "electrical age"

What advantages does electricity have over steam power as an energy source?

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.

after class homework:

As a new energy source, electricity has a great impact on our production and life. Can you give specific examples to illustrate this?

"King of Inventions" Edison

He had nearly 2,000 inventions in his lifetime, of which 1,300 were officially registered.

On October 22, 1879, Edison ignited the first electric light that was truly of widespread practical value. In order to extend the life of the filament, he tried more than 6,000 fiber materials before finding a new luminous body.

What inspiration did Edison say and do to you?

Dare to explore, be innovative, persevere, and persevere

1. Multiple-choice question: (Carefulness leads to success!)

1. In the 1870s, the country that was one step ahead in the development of electric power was ( )

A. The United States and the United Kingdom B. The United States and Germany

C. Britain and France D. Britain and Germany

2. Humanity bids farewell to the era of oil lamps and candles thanks to

A. Siemens’ invention B. Edison’s invention

C. Carl Benz’s invention D. Wright brothers’ invention

3. The "Prometheus" that brought the principle of generators out of the laboratory and brought new light to mankind is:

A. Hertz B. Marconi

C. Edison D. Siemens

4. People say that Edison was the angel who spread the gospel of "electricity" to the world. The main reason is that he

A. invented electricity

B. Invented a large number of electrical appliances such as electric lights

C. Invent many new machines

D. Successfully developed a generator

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Update Time: 2024-09-07

This template belongs to History courseware East China Normal University Edition Ninth Grade History Volume 2 industry PPT template

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