"Make a Small Switch" Electric PPT

Description

"Make a Small Switch" Electric PPT

Part One: Observing Flashlight

Observe the materials used in the flashlight. Which of these materials are conductors and which are insulators?

Observe the structure of the flashlight. How are the batteries and small light bulbs installed? What is the path of current in a circuit?

Observe the flashlight switch. How does the flashlight switch control the on and off of the current?

The flashlight switch is composed of conductors and insulators (plastic and copper sheets). Push the red plastic push button, and the two copper sheets will come into contact and the circuit will be connected.

Make a small switch PPT, part 2: Make a small switch

Make a small switch to control a simple circuit based on the flashlight switch principle.

Unfold the paper clip and use a thumbtack to fix the large end of the paper clip and the wire to the wooden board to make a paper clip switch.

Install the paper clip switch into a simple circuit and try to control the light of a small light bulb.

How is the traffic light switch designed? Try to design a switch that can control the changes of traffic lights.

Make a small switch PPT, the third part: various switches

After class, investigate what the switches of household appliances look like and how these switches control the flow of circuits.

Pay attention to electrical safety and be careful of electric shock!

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For more information about the PPT courseware "Electricity Makes a Small Switch", please click the Electricity ppt Makes a Small Switch ppt tag.

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Update Time: 2024-11-22

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

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