Dirt 1
Among the LARGEST rock particles in soil
Sand
Part of soil that comes from dead plants and animals
Humus
Which soil property is tested by squeezing a clump of soil to see how it holds together?
color consistency odor texture
Which process puts soil BACK the way it was after it was degraded or lost?
Hint - What you to to your computer when it crashes
Restoration
What are the 3 properties that we can observe soil using?
Odor, texture, and color
Process of wind, water, gravity, or living things moving soil from one place to another.
Erosion
To preserve, protect, or restore resources.
Conserve
What is the name for the layer of solid rock under the soil?
Bedrock
What is the main component in humus?
Decayed matter of once-living things
Makes spaces for water in soil.
Air
Medium sized rock particles in soil
Silt
Containing nutrients that plants need to grow
Fertile
Which is the BEST kind of soil for growing most plants?
loam silty clay sand clay
Loam
How do plants help prevent soil erosion?
Hint - Think about their ROOTS
Plants hold soil in place with their roots.
What is the scientific name for rust?
Hint - It gives clay its reddish color
Iron Oxide
Breaking down rocks into smaller pieces either physically or chemically.
Weathering
Layer of soil profile, usually RICH in ORGANIC MATERIAL
Topsoil
A fully developed soil has MULTIPLE layers. What term describes all of the layers TOGETHER?
Soil profile
Why is soil an important natural resource?
Soil has nutrients that living things need to grow and survive.
Rock that another rock comes from
Parent material
Smallest rock particle in soil
Clay
Soil that is good for farming due to its mixture of sand, sily, clay, and humus
Loam
What is the correct correct order of rock particles from SMALLEST to LARGEST?
Hint - 3 components we have talked about
Clay, silt, then sand.
Makes soil moist, sticky or slippery
Water
Waters ability to go THROUGH something is it's ____.
Permeability