Soil Chemistry

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Description: This reading provides a quick overview of soil chemistry and why it is important to soil processes.
Grade Levels: 6-8, 9-12
Keywords: soil chemistry, soil pH, soil organic matter, filtration, soil properties, oxidation, reduction, essential elements
Lesson Area: Soil Chemistry
Resource Type: Reading

Next Generation Science Standards

Grade Discipline Core Idea
PreK-2 PS1.A: Structure of matter (includes PS1.C Nuclear Processes) Matter exists as different substances that have observable different properties. Different properties are suited to different purposes. Objects can be built up from smaller parts.
3-5 PS1.A: Structure of matter (includes PS1.C Nuclear Processes) Matter exists as particles that are too small to see, and so matter is always conserved even if it seems to disappear. Measurements of a variety of observable properties can be used to identify particular materials.
6-8 PS1.A: Structure of matter (includes PS1.C Nuclear Processes) The fact that matter is composed of atoms and molecules can be used to explain the properties of substances, diversity of materials, states of matter, phase changes, and conservation of matter.
9-12 PS1.A: Structure of matter (includes PS1.C Nuclear Processes) The sub-atomic structural model and interactions between electric charges at the atomic scale can be used to explain the structure and interactions of matter, including chemical reactions and nuclear processes. Repeating patterns of the periodic table reflect patterns of outer electrons. A stable molecule has less energy than the same set of atoms separated; one must provide at least this energy to take the molecule apart.
6-8 PS1.B: Chemical reactions Reacting substances rearrange to form different molecules, but the number of atoms is conserved. Some reactions release energy and others absorb energy.
9-12 PS1.B: Chemical reactions Chemical processes are understood in terms of collisions of molecules, rearrangement of atoms, and changes in energy as determined by properties of elements involved.