Types
This type of soil is found in beaches.
Sand
The 4 components of soil are:
1 organic matter
2 Minerals
3?
4?
Air and water
Soil properties can be classified into :
1. Biological
2?
3?
physical and chemical
Dead plants and animals in soil are called..
Organic matter
This type of soil contains more rocks
Subsoil
What percentage of soil is water?
25%
Color is what type of property?
Physical
Soil is formed through this process
Weathering
Where plants grow.
Topsoil
What are the 4 layers of soil?
O, A, B , C, R horizons
How many properties can you find in the physical classification?
This makes soil softer.
Humus
This type of soil is found underwater
Silt
In what layer, can we find eroded rocks?
C horizon
Name 2 chemical properties
Fertility and salinity
Soil is part of the Earth’s…
Crust
This type of soil is best for plants
Loam
Name 3 things we can find in the A horizon.
humus, organic matter, rock and crystals
What chemical property affects the capacity of roots to absorb water ?
Salinity
Worms make soil…
More fertile