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What are the characteristics of rocks? The types of rocks are : Igneous -Igneous rocks are formed from melted rock that has cooled and solidified rocks.

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Presentation on theme: "What are the characteristics of rocks? The types of rocks are : Igneous -Igneous rocks are formed from melted rock that has cooled and solidified rocks."— Presentation transcript:

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3 What are the characteristics of rocks?

4 The types of rocks are : Igneous -Igneous rocks are formed from melted rock that has cooled and solidified rocks that are form e.g.: granite, basalt and obsidian(volcanic glass) Igneous Sedimentary -Sedimentary rocks are formed at the surface of the Earth, either in water or on land. They are layered accumulations of sediments-fragments of rocks, minerals, or animal or plant material e.g.: sand,pebbles, soft rocks and limestone Sedimentary Metamorphic -Sometimes sedimentary and igneous rocks are subjected to pressures so intense or heat so high that they are completely changed. They become metamorphic rocks, which form while deeply buried within the Earth's crust. e.g.: Shiny crystals, gneisses and marble Metamorphic.

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6 There many different types of soil, depending on the size of particles of the soil. Soil can be classified as the following: Sandy Soil Clay Soil Peaty Soil Chalky Soil Loamy Soil Silty Soil

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