"Simple Circuit" PPT download

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"Simple Circuit" PPT download

Part One: Importing New Knowledge

Each group has a dry battery, a wire and a small light bulb. Light up the small light bulb.

Conclusion: A piece of wire and a battery can light up a small bulb. The wire, battery and small bulb form a simple circuit.

Simple circuit PPT, part 2: new knowledge explanation

Thinking: Can a circuit be formed using a small light bulb, a small lamp holder, two wires, a battery box and a battery?

Observe the structure of the component

The two ends of the battery box are equipped with copper sheets and connected to the two connectors outside. Connect a wire to both ends of the battery box and install the battery in the battery box.

Install the small light bulb on the small lamp holder and connect the wires to both ends.

Basic requirements for drawing circuit diagrams

Components should be arranged appropriately and distributed evenly;

Do not place components in corners;

The entire circuit diagram should preferably be in a rectangular shape with edges and corners, and the wires should be horizontal and vertical.

Simple circuit PPT, the third part: expansion and extension

Are the classroom lights connected in series or parallel? Why?

in parallel

In a parallel circuit, each electrical appliance is connected in parallel, and the current passes through each electrical appliance separately. The electrical appliances do not affect each other. If one branch is disconnected, the other branches will not be affected. The electrical appliances in the household circuit do not affect each other. The circuit in the classroom belongs to the household circuit, and the fluorescent lamps are connected in parallel. If one lamp is damaged, the other lamps will not be affected.

The light bulb emits light because there is a filament made of metal tungsten inside the bulb, called a "tungsten filament." When we turn on the power, current will pass through the filament, causing the filament to generate heat and continuously increase the temperature, turning red into white. The intense light emitted when the filament is burned red is the "light" we see.

Simple Circuit PPT, Part 4: Classroom Exercises

1. Choose the answer you think is correct

1. Which of the following options does not belong to the circuit part when using the TV ( )

A.Remote control B.Electronic components C.Wire D.Power supply

2. To form a simple circuit, only ( ) wires are needed

A.1 B.2 C.3 D.4

Simple circuit PPT, Part 5: Class summary

Electricity returns from one end of the battery through wires and electrical appliances to the other end of the battery, forming a complete circuit. There are different ways to connect the circuit.

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For more information about the "Electricity Simple Circuit" PPT courseware, please click the "Electricity ppt Simple Circuit ppt" tab.

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Update Time: 2024-10-19

This template belongs to science courseware Fourth Grade Science Volume 2, Textbook Edition industry PPT template

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