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How are Rocks formed
What are rocks made ofIgneous rocks formationFormation of sedimentary rocksFormation of metamorphic rocksphysical weathering of rocksChemical weathering of rocksBiological weathering of rocksRock erosion and transportExplain the rock cycle



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The rock cycle for kids



Erosion


Erosion is not the same as weathering. Weathering is the process where rock is broken down or dissolved into smaller pieces by physical, chemical or biological weathering process.

weathering and erosion

Erosion (or mass wasting) involves the movement of the weathered rock (now pebbles, sand or soil) from one place to the other by the action of wind, ice, water and gravity. Examples of mass wasting include rock falls, slumps, and debris flows

Transport makes erosion complete, because it is the part that involves the movement of the eroded materials or sediments.

Transport by water:
Everyday, millions of tonnes of sediments are moved along rivers, coasts and deep oceans. Water transport occurs in four ways: Traction, saltation, fine particles and soluble salts.

Transport by wind:
Wind transport can result in stunning landscapes as sand is blown away from place to place. In the deserts, dunes are created. Wind can also create sand storms and destroy farms by blowing away the topsoil of large farms.

Faster flowing rivers can carry heavier rocks or drag them along the riverbed. As the rocks move, they are smoothened by the abrasive effect. Transport makes that possible. Winds can also carry tiny rocks or sand and move them to other places.

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Types of rocks for kids



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