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Hunan Education Edition Fifth Grade Science Volume 1	pptx	6 MB

"How to control a circuit" PPT

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Upload Time: 2024-11-17

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Hunan Education Edition Fifth Grade Science Volume 1, How to Control a Circuit PPT

Part One: Knowledge Import

A switch can be used to control the on and off of a circuit.

Analyze how the switch in the picture above controls the on and off of the circuit.

Make a small switch

Make your own small switch using the following materials

How to control a circuit PPT, part one: the composition of a simple circuit and the functions of each part

The composition of a simple circuit and the functions of each part

The composition of a simple circuit:

A complete simple circuit should be composed of four parts: power supply, electrical appliances, switches, and wires. Missing or incomplete components will affect the normal operation of the circuit.

The function of each part:

Power supply: power supply

Electrical appliances: using electricity to work

Switch: Control circuit on and off

Wires: used to connect power supplies, electrical appliances and switches

The story of Edison’s invention of the electric light

Edison, the great American inventor, he and the institute he led invented more than 2,000 inventions.

Edison invented the electric light. In order to develop electric lamps, he used more than 200 notebooks to collect and record information. In order to find materials for making filaments, he conducted more than 1,600 experiments on heat-resistant materials and more than 600 plant fibers, and finally selected a kind of bamboo filament. Carbonization made the original filament and created the first light bulb. Therefore, Edison often said: "Genius is one percent inspiration and ninety-nine percent diligence."

Keywords: Hunan Education Edition fifth grade science PPT courseware free download, how to control circuit PPT download, .PPT format;

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Update Time: 2024-11-17

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How to control a circuit ppt

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"How to control a circuit" PPT