| Category | Format | Size |
|---|---|---|
| Qingdao Edition Fifth Grade Science Volume 2 | pptx | 6 MB |
"Electrified Coil" PPT
Description
"Electrified Coil" PPT
Part One: Making and Researching Electromagnets
1. Understand electromagnets
2. Disassemble the electromagnet and explore the mystery of the electromagnet
electromagnet
What is an electromagnet?
1. Definition: A device that uses electric current to pass through a coil to produce magnetism is called an electromagnet. It consists of two parts: iron core and coil.
2. Structure of electromagnet:
Coil core
Part 2 content: Classroom experiment
Experiment 1
Verify the magnetism of the electromagnet
Require:
1. Work in groups to make an electromagnet.
2. Explore the changes in magnetic properties of the electromagnet when power is on and off.
3. Compare the differences between electromagnets and permanent magnets.
Part Three: Extracurricular Development
Explore the relationship between the magnetic properties of electromagnets, the number of coil turns and the number of battery cells
1. Work in groups to make one electromagnet each with 30 turns and 60 turns.
2. Compare the magnetic properties of the two electromagnets.
3. The relationship between the magnetic size of the electromagnet and the number of battery cells
Keywords: Qingdao version fifth grade science PPT courseware for the second volume free download, energized coil PPT download, .PPT format;
For more information about the "Electrified Coil" PPT courseware, please click the "Electrified Coil ppt" tab.
"Electrified Coil" PPT courseware:
"Electrified Coil" PPT courseware Part One: Electromagnet Conjecture Can the north and south poles of the electromagnet be changed? how to change? My conjecture: Conjecture 1: Change the winding direction of the wire and see if there is a change in the poles of the electromagnet. Conjecture 2: Change the positive and negative of the battery..
File Info
Update Time: 2024-07-02
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