Chapter Overview
The Earth is made up of different types of rocks, soil, and minerals, which play a crucial role in our environment and daily life. In this chapter, we will learn how rocks are formed, different types of soil, and the importance of minerals in our lives.
Important Keywords
- Igneous Rocks: Rocks formed by cooling of molten lava.
- Sedimentary Rocks: Rocks formed by the deposition of layers over time.
- Metamorphic Rocks: Rocks formed by heat and pressure acting on existing rocks.
- Soil Erosion: The removal of topsoil due to wind or water.
- Humus: Organic matter that makes the soil fertile.
- Minerals: Naturally occurring substances found in rocks and soil.
Detailed Notes
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