What is soil?
Soil is the upper layer of the earth’s surface and is a mix of organic material, broken rock and minerals
What are pesticides?
a substance used to destroy pests, like insects
Why is soil important?
Soil helps give us fresh air
Plants need soil to grow.
Soil gives organisms a place to live.
Which is not a soil particle?
- iron
-clay
-silt
-sand
iron
What is compost?
is fertilizer made of natural materials, like plants
Which option would not be good to put into a compost bin?
-meat
-fruit
-leaves
meat
What is fertilizer?
any material added to soil to help plants grow
What option is not good for soil?
-sand
- salt
-clay
-silt
salt
What is a horizon?
is the name used to refer to a soil layer
Three particles that make up soil are....
sand, silt, and clay