Basics of electric current. Science State Board, Class 8: lessons, tests, tasks.

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1.	Introduction
2.	Charge and its nature
3.	Transfer of charges by friction
4.	Conduction and induction
5.	Flow of charges
6.	Gold leaf electroscope
7.	Earthing and lightning
8.	Lightning and thunder

1.	Electricity - Important terms Difficulty: easy	2
2.	Nature of charges Difficulty: easy	2
3.	Charge on objects Difficulty: medium	3
4.	Transfer of charges by friction Difficulty: medium	2
5.	Atoms and nature of charges Difficulty: medium	4
6.	Characteristics of electric current Difficulty: medium	4.5
7.	Nature of charges- Relevant terms Difficulty: medium	4
8.	Earthing and lightning arrestors Difficulty: hard	6
9.	Charging by induction Difficulty: hard	10
10.	Electric charges - In general Difficulty: hard	9

1.

Training test

Difficulty: easy

7

1.

Methodical recommendation

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