Sedimentis material eroded off other particles that are then worn down into pieces ranging in size from microscopic particles to pebbles to boulders.Soilis a complex mixture of living organisms, organic matter, minerals, water, and air. Soil is formed by different particles such as gravel, rock, sand, silt, clay, etc Hence,ascending order as per the size of particles isClay, Silt, Sand, Gravel, Rock.