"Electricity and Our Life" Inseparable Electricity PPT Courseware 2

Description

"Electricity and Our Life" Inseparable Electricity PPT Courseware 2

alternating current

Emitted by power plants through wires

220V electricity delivered to every household.

In daily life, various objects may generate static electricity due to movement or friction.

Can you cite some static electricity phenomena in life?

Small experiment:

Ask the students to comb their hair with a comb and put the comb on top of the scraps of paper to see what they find.

group communication

1 What electrical appliances are common in life?

2 Which electrical appliance do you use most often? Which one is used least?

3 What would our life be like without electricity?

Share what we know about electricity

1. Group exchange of information about electricity collected before class

2 Knowledge about electricity

do you know?

When encountering a thunderstorm outdoors, do not hide under a tree, let alone a lone tree.

Large trees are susceptible to lightning strikes.

Save electricity

Use energy-saving lamps

Do not open windows when using air conditioner

Use natural light during the day

Turning off lights

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For more information about the "Inseparable Electricity and Our Life" PPT courseware, please click on the "Inseparable Electricity and Our Life" PPT courseware.

Electricity PPT courseware 3 that "Electricity and Our Life" cannot do without:

"Electricity and Our Life" is inseparable from the electricity PPT courseware 3 The invention of electricity In 1799, Italian Volta invented the electric stack and battery. In 1821, the Englishman Faraday invented the phenomenon of battery induction. In 1866, the German Siemens built the world's first high-power generator.

Electricity PPT courseware that "Electricity and Our Life" cannot do without:

"Electricity and Our Life" is inseparable from the electricity PPT courseware. Tell us what you know about electricity. What is electricity? Who discovered electricity? What is the electrical voltage used at home? How is lightning produced? Why can friction generate electricity? 1) Taking off clothes in winter will produce electric sparks..

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Update Time: 2024-11-22

This template belongs to science courseware People's Education Press Fourth Grade Science Volume 2 industry PPT template

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