Caso 2 - Introduction to the Concept
The goals of the second week are:
Understand the importance of soil and how the soil's composition
relates to its ability to support good plant growth and how
plants adapt to soils even if they seem less than perfect.
Appreciate the interrelationship between soils and plant
Recognize that not only is there a lot of activity going
on above the soil, there is also a tremendous amount of important
activity going on below the surface where the roots of plants
The objectives for the second week are for the students to:
Introduce new vocabulary words such as nutrients, soil particles,
texture, structure, organic matter, top soil, and subsoil.
Describe what types of living organisms can be found in and
Use observation and classification to identify components
of the soil.
Recognize other media that can be used in place of traditional
Describe the importance of soil inhabiting organisms and
their value in the decomposition process.
There are four main concepts for the week.
Soil composition or make up is important in sustaining plants.
We can change and manage soil composition in ways that will
help to enhance plants' ability to survive and flourish.
There are numerous interrelationships within soil. Microbes,
solid particles, chemicals, and living plant material all
interact to produce a balance that supports a variety of life
Soil is made up of three basic units: sand, silt, and clay.
Composting is nature's way of converting organic wastes into
valuable resources that are used to sustain a variety of living