What makes up soil?
What makes up soil?
We breathe it...
Air
What is the top horizon called?
Organic material or humus
Name a good material to compost
Lots of acceptable answers!
Small pieces of broken rock.
Sand
What makes up soil?
We drink it...
Water
What is the horizon called where most plants grow?
Topsoil
Name a good material to compost.
Lots of possible answers!
Very small pieces of rock packed together. Is hard when dry and sticky when wet.
Clay
What makes up soil?
It is dead...
Organic material
What is parent material made of?
Big rocks
Name a good material to compost.
Lots of possible answers!
Holds water well, but blows away when dry. Often along the sides of rivers.
Silt
What else makes up soil?
Broken rocks, clay, sand
What is bedrock made of?
Solid rock!
Name something you should not compost.
Lots of answers!
Made from decayed plants and animals.
Organic matter.
An example or organic material
Decaying plant and animal material.
Where do you find the subsoil?
Under the topsoil.
Name something you should not compost.
Lots of answers!
A mix of sand, silt, clay and organic matter.
Loam