"Conductors and Insulators" PPT

"Conductors and Insulators" PPT

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Hunan Education Edition fifth grade science volume 1, conductors and insulators PPT

Part One: Knowledge Import

1. Impure water is easy to conduct electricity, but it is not easy to conduct electricity after freezing;

2. Glass has very strong electrical conductivity when it is molten or red-hot;

3. Air is not easily conductive at room temperature, but it also conducts electricity very well at high temperatures.

Objects can be divided into two categories according to their electrical conductivity:

One type is easy to conduct electricity.

One type is not easy to conduct electricity.

Conductor and Insulator PPT, Part 2: Extended Discussion

Extend the discussion:

semiconductor

What material is it?

Keywords: Hunan Education Edition fifth grade science PPT courseware free download, conductor and insulator PPT download, .PPT format;

For more information about the "Conductors and Insulators" PPT courseware, please click on the Conductors and Insulators ppt tab.

"Conductors and Insulators" PPT download:

"Conductors and Insulators" Electric PPT Download Part One: Introduction of New Knowledge Use the following three methods to connect the detection head and observe whether the small light bulb will light up. (1) Connect the two plastic skins together (2) Connect the metal head and the plastic skin together (3) Connect the two metal heads...

"Conductors and Insulators" Electrical PPT:

"Conductors and Insulators" Electricity PPT Part One Content: Detecting whether the objects around us are conductive. Among the objects around us, some are easy to conduct electricity and some are not. How can we know the conductivity of objects? How to test whether a piece of rubber is conductive? ..

"Conductors and Insulators" PPT courseware:

Hunan Education Edition fifth grade science volume 1, conductors and insulators PPT courseware, the first part of the content: circuit detector circuit detector 1. Why does the small light bulb light up? 2. What will happen if you cut off the wires in the circuit and why? 3. Is there any way to reconnect...

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