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"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 5
Connect life and integrate knowledge
1. What electrical appliances do you often use in your home life? What do they do?
2. Combined with the relevant knowledge of physics, please tell us how electricity was invented? How did it enter the actual production field?
1. The arrival of the “electrical age”
Time: 1870s.
Electricity gradually replaced steam power and became the main power source of factory machines, and human history entered the "Electrical Age". The United States and Germany are at the forefront of the world in the application of power technology.
"King of Inventions" Edison
Large number of inventions: 1,300 officially registered
Famous inventions include: phonograph, kinetoscope, electric light, telegraph, telephone, the first practical typewriter...
His greatest invention: the electric light (successfully developed a durable carbon filament bulb in 1879)
What was the secret of Edison's success?
A curious heart, a kind of infinite energy and courageous spirit that can surpass ordinary people's hard work through personal testing.
His hard work and creative talent as well as collective strength.
Keen observation, rich imagination, active creative thinking.
Use your brain
What would our lives be like without electricity? What methods did our ancestors use for lighting at night? What problems might arise with these methods?
3. The advent of automobiles and airplanes
1. The advent of the automobile:
Conditions: In the 1880s, Karl Benz and others designed internal combustion engines.
Logo: In 1885, Benz successfully trial-produced a car.
Impact: Cars gradually developed into a popular means of transportation. The extensive use of automobiles has enhanced people's production capacity, changed people's lifestyles, expanded their scope of activities, and strengthened communication between people.
2. The advent of airplanes
Inventors: The Wright brothers of the United States.
Sign: In December 1903, the Wright brothers in the United States built an airplane and successfully tested it.
Impact: Turning human ideals into reality, today airplanes have become a convenient and fast means of transportation for people.
Humanity enters the "Electrical Age" (the Second Industrial Revolution)
The widespread application of electricity → improves production and living conditions
The advent of automobiles and airplanes → Increased production capacity and expanded scope of activities
Conclusion: Science and technology promote social progress
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"Humanity Enters the Electric Age" The World in the Era of Monopoly Capitalism PPT Courseware 8:
"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. The second industrial...
"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..