soil

• Soil refers to the mixture of weathered rock fragments, mineral grains, organic debris and moisture. It is the natural medium in which land plants grow, due to the rock and mineral matter, organic matter and dissolved water and air present in it.
• list the three characteristics of the soil

  color

  texture

  structure
• The size of the particles is important because it tells us how

  much room is in a particular soil for air, water, bacteria and

  other living things like plant roots
• the sand has a 005 - 2.00mm particles that is visible to the naked eye. also it is compared to a ball of basket ball
• it has a large space allowing the water to slip through

  sand
• the texture of this soil is loose, gritty and rough 


  sand
• texture of this soil is smooth and slightly sticky like a putty 


  silt
• has a 0.002mm-0.05mm particles, it is also compared to a baseball BALL 


  silt
• space is quite smaller that it can hold air and water fairly
• it is has the smaller particles, wherein the particles of this is less that 0.002


  clay
• the texture smooth and sticky like glue


  clay
• it has small spaces that can trap the for the long time


  clay
• it commonly sees along the river bank

  silt
• hard like cement and can crack at the surface

  clay
• the particles of this soil is so loose

  sand
• it feels like baby powder 


  silt
• commonly sees in the beaches

  sand
• you can commonly see at the bottom of the river

  clay
• Soil color is the most obvious way to learn about a particular soil. It can tell us how old the soil is, where it sits on in the landscape, the type of materials that formed it, how warm it might get, and how it handles water.
• Color will tell you a lot about whether plants will grow well in the soil.
• The darker the soil, the more organic matter it contains. The lighter the soil, the less organic matter it has.