Agric Science J S 2 | Soil Types Of Soil: The Components Of Soil
Agric Science J S 2 | Soil Types Of Soil: The Components Of Soil
Subject: Agricultural Science
Class: JS 2
Week: 10
Topic: Soil
LEARNING OBJECTIVES:
By the end of the lesson, students should be able to:
- Describe the term “soil.”
- Outline three types of soil.
- Itemize the components of soil.
- Illustrate the composition of soil by volume with the aid of a diagram.
KEY VOCABULARY WORDS:
- Soil
- Sand
- Clay
- Loam
- Humus
- Organic Matter
- Air
- Water
RESOURCE AND MATERIALS:
- Soil samples (sand, clay, loam)
- Chart showing the composition of soil
- Diagram of soil components
- Marker/Chalk
- Whiteboard/Chalkboard
Agric Science J S 2 | Soil Types Of Soil: The Components Of Soil
BUILDING BACKGROUND:
Students have observed different types of soil in their environment. This lesson will help them understand what soil is, its types, and its components, as well as how soil supports plant growth.
CONTENT DETAILS:
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Definition of Soil:
Soil is a natural resources which can be define as the uppermost layer of the earth where plants grow. It is made up of different particles, organic matter, water, and air that provide the necessary nutrients for plant life.
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Types of Soil:
There are three main types of soil based on texture:
- Sandy Soil: Large particles, drains water quickly, and is light and dry.
- Clay Soil: Small, tightly packed particles, holds water, and is heavy and sticky when wet.
- Loamy Soil: A mixture of sand, clay, and silt; it is well-balanced, fertile, and good for farming.
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Components of Soil:
- Mineral Particles: Sand, silt, and clay form the solid part of soil.
- Organic Matter (Humus): Decomposed plant and animal matter that enriches the soil.
- Water: Provides moisture for plants to absorb nutrients.
- Air: Fills spaces between soil particles, allowing roots to breathe.
- Living Organisms: Microorganisms, insects, and worms that help decompose organic matter and aerate the soil.
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Composition of Soil by Volume:
Soil is made up of:
- 45% Mineral Particles (sand, silt, and clay)
- 25% Water
- 25% Air
- 5% Organic Matter
STRATEGIES AND ACTIVITIES:
- Group Activity: Students examine different soil samples (sand, clay, loam) and identify their characteristics.
- Class Discussion: Compare the different types of soil and their uses in farming.
- Diagram Illustration: Draw a simple diagram showing the composition of soil on the board and label each part.
WRAP UP & ASSESSMENT:
- Review the definition, types, and components of soil.
- Ask students to identify different types of soil and their components.
Assessment:
- Oral questions to test students’ understanding.
- Short written exercise where students label a diagram of soil composition.
ASSIGNMENT:
Collect a small sample of soil from your home or neighborhood. Identify its type and list the components you can observe.
HOD/VP’S COMMENT & ENDORSEMENT: