Question

Arrange the following rock particles which occur in soil in the increasing order of their sizes : sand , clay , gravel , silt

Answer 1

Rock > Gravel > Sand > Silt > Clay

Answer 2

The following rock particles occur in soil in the increasing order of their sizes are:

Clay, silt, sand, gravel

Soil is formed by the weathering up of rocks. Soil is composed of different sizes of rock particles.

1. Clay

• They are tiny particles among the rock particles.

• The clay particle measures less than 0.002 mm.

2.  Silt

• They are medium-sized particles.
• These particles measure 0.002 to 0.05 mm.

3. Sand

• Sand particles are large in size.
• The size of sand particles varies from 0.05 to 2 mm.

4. Gravel

• The size of gravel is the biggest of all the particles above.
• It is found in the size between 2 to 64 nm.