Rocks and soil. Social Science, Class 8: lessons, tests, tasks.

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1.	Rocks and Rock Types
2.	Igneous Rocks
3.	Sedimentary Rocks
4.	Metamorphic Rocks
5.	Rock Cycle. Uses of Rocks
6.	Soil. Soil formation. Soil composition
7.	Soil Profile
8.	Classification of Soil
9.	Soil Erosion. Soil Conservation. Uses of Soil

1.	Horizons of Soil Difficulty: easy	2
2.	Formation of Igneous rocks Difficulty: easy	3
3.	Types of Igneous rocks Difficulty: easy	3
4.	Metamorphic rocks Difficulty: easy	3
5.	Soil formation Difficulty: easy	3
6.	Types of Rocks and soil Difficulty: easy	3
7.	Layers of Soil Difficulty: medium	3
8.	Soil types Difficulty: medium	2
9.	Types of Sedimentary rocks Difficulty: medium	3
10.	Types of intrusive and extrusive Igneous rocks Difficulty: medium	3
11.	Sedimentary rocks Difficulty: medium	3
12.	Types of Rocks Difficulty: hard	4
13.	Characteristics of Rocks Difficulty: hard	3

1.	Training Test Difficulty: medium	6
2.	Training Test 2 Difficulty: medium	6

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