Soil Horizons
What does the word horizons refer to?
The many layers of soil
List the three types of soil
- Sand, Silt, Clay
what is Compost
- fertilizer made out of natural materials
Name 2 things on why soil is important.
- plants need soil to grow
- soil helps gives us fresh air
-soil gives animals a place to live
- soil helps clean water
Name 2 soil horizons
options: Organic Material, Topsoil, Subsoil, Parent Material, Bedrosck
What is the largest soil particle?
Sand
what is a fertilizer?
Any material added to soil to help plants grow
what is not good for Soil?
Salt
What is the third horizon and what is it made of?
Subsoil, made of clay, iron, organic matter
What is the smallest particle and how does it feel?
Clay. Hard, gets sticky when wet
Name three things that are good compost
- Rotten fruit/vegetable, Vegetable watse, dry leaves and sticks, eggshells
Name 2 living and 2 non-living things
living: worms ,moles, ants, earwig, mushrooms , bacteria
non-living:rocks, dead leaves, minerals, water, air, stones
Name 2 creatures that live in topsoil
- Earthworms, moles, ants, earwig, centipede,
Name the soil particle that is best for water drainage.
Sand
Name four things that are bad compost
- meat scraps, plastic/metal, garbage, dairy products, pet waste
why do farmers use pestcides?
- to kill insects and bad plants