Soil. Science CBSE, Class 7: lessons, tests, tasks.

1.	Introduction
2.	Layers of soil activity and soil profile
3.	Different horizon layer
4.	Components of soil
5.	Types of soil
6.	Properties of soil and percolation rate of water in soil
7.	Moisture in soil
8.	Absorption of soil
9.	Properties of soil
10.	Soil and crops
11.	Soil erosion and soil pollution

1.	Significant uses of soil Difficulty: easy	2
2.	Different horizon layers Difficulty: easy	2
3.	Types of soil Difficulty: easy	2
4.	Components of soil Difficulty: easy	2
5.	Soil pollution and soil erosion Difficulty: easy	2
6.	Soil profile Difficulty: easy	2
7.	The early life of Mendel Difficulty: easy	2
8.	Properties and components of soil Difficulty: medium	3
9.	Different horizon layers and percolation rate of soil Difficulty: medium	4
10.	Soil erosion Difficulty: medium	2
11.	Properties of soil Difficulty: medium	2
12.	Components of soil Difficulty: medium	3
13.	Formation of the soil and different horizon layers of soil Difficulty: medium	3
14.	Soil formation Difficulty: medium	2
15.	Soil pollution and soil erosion Difficulty: medium	2
16.	Types of soil and soil erosion Difficulty: medium	2
17.	Moisture of soil Difficulty: hard	4
18.	Moisture and absorption of soil Difficulty: hard	4
19.	Picture-based questions about soil Difficulty: hard	3
20.	"Who am I" questions about soil Difficulty: hard	4
21.	Soil and the types of soil Difficulty: hard	4

1.	Training test 1 Difficulty: easy	7
2.	Training test 2 Difficulty: easy	8
3.	Training test 3 Difficulty: easy	16

1.

Methodical recommendation

Soil