describe clay using texture, consistence and particle size words.
Clay is sticky, friable and has small particles.
100
Which type of soil has the largest particle size?
Sand
100
Which soil layer contains the most nutrients?
Topsoil
200
describe sand using texture, consistence and particle size words.
Sand is grainy (gritty) , loose with large particles.
200
Which type of soil has the smallest particle size?
Clay
200
This soil layer contains only solid rock
Bedrock
300
describe silt using texture, consistence and particle size words.
Silt is silky and friable, with medium particles
300
Which type of soil has the second smallest particle size?
Silt
300
Subsoil is made up of......
Dirt, small rocks and some organic matter.
400
What three actions that make soils more productive do decomposers perform ?
1. They make Tunnels (flow of air and water)
2. They mix up nutrients and other components of soils.
3. They break down dead plants and animals and give away nutrients for plants (humus)
400
What particle size can be found in a desert?
Large (sand)
400
In this layer you can find large, slightly broken down rocks
Parent material
500
What are the three properties we use to describe soils?
Texture, consistence and particle size.
500
For which of the soil types would you need a microscope to observe its particles?
Clay
500
Decomposers and other Living organisms are usually found in this layer.