CHANGES AROUND US (EROSION I)

TITLE:  LESSON NOTE ON BASIC SCIENCE AND TECHNOLOGY

SUBJECT: BASIC SCIENCE AND TECHNOLOGY

TERM: FIRST TERM

THEME: YOU AND THE ENVIRONMENT

WEEK: WEEK 5

CLASS: PRIMARY 5

NAME OF TEACHER:

DATE:          

AGE OF STUDENTS:

CLASS COMPOSITION: Slow and fast learners.

PERIOD:

TIME: 40 MINUTES

TOPIC: CHANGES AROUND US (EROSION I)

Units:

  • Meaning and types of Erosion.
  • Effects of erosion on the environment.
  • Controlling soil erosion.

PERFORMANCE OBJECTIVES

At the end of this lesson, Pupils should be able to:

  1. Describe and state the causes of erosion.
  2. List the effects  of erosion
  3. Identify and implement simple strategies for controlling erosion.

TEACHING AND LEARNING MATERIALS

  • Water
  • Paper
  • Card board
  • Empty Jar
  • Pen
  • Whiteboard/Chalkboard
  • Explanatory posters/pictures
  • Explanatory videos

TEACHING AND LEARNING METHODS

  • Explanation
  • Discussion
  • Questions and answer

REFERENCE MATERIALS

  • NERDC Basic Education Curriculum for primary schools.
  • Universal Basic Education Curriculum for primary schools.
  • Lagos State Scheme of Work for Basic Science and Technology.
  • Unified Schemes of Work for Lagos State Primary Schools (MIDDLE BASIC)
  • Online Materials.
  • Edudelight Basic Science and Technology for Primary Schools.

ENTRY BEHAVIOUR/ PREVIOUS KNOWLEDGE: the students have been taught Pollution.

WORD FILE: Overgrazing, fertility.                  

             LESSON CONTENT

EROSION

Erosion is the washing away and moving of the top soil layer of the earth through water and wind.          

TYPES OF EROSION    

  1. Rill Erosion
  2. Splash Erosion
  3. Sheet Erosion
  4. Gully Erosion

CAUSES OF EROSION

The two main causes of Erosion are:

  1. Water from rain or ice glacier
  2. Wind

MAN –MADE CAUSES OF EROSION

  1. Poor waste disposal methods.
  2. Bush burning
  3. Deforestation
  4. Poor agricultural practices by human.
  5. Poor drainage system.
  6. Poor road construction
  7. Topography
  8. Overgrazing caused by animals
  9. Building of market places
  10. Localization of industries

EFFECTS OF EROSION

Some effect or danger of erosion are:

  1. Loss of lives and properties.
  2. Difficulty in road transport
  3. Poor crop harvest
  4. Whirl wind Causes blindness
  5. Loss of soil nutrients and fertility
  6. Degration of our environment.
  7. Waste of resources
  8. Affect the natural structure of the physical landscape.

CONTROL OF EROSION

The following are ways we can control erosion

  1. Avoid burning of bush
  2. Planting of trees
  3. Active land use policy
  4. Planting of cover crops
  5. Waste disposal control
  6. Recycling
  7.  Enlightenment of the public about the dangers of erosion.

INSTRUCTIONAL PROCEDURE

  • The Teacher revises the previous lesson (Pollution).
  • The Teacher introduces the lesson through question and answer (EROSION).
  • The Teacher explains the lessons.
  • The Teacher write the note on the board.

LEARNERS ACTIVITIES

Learners participate in the class discussion

LESSON EVALUATION

Teacher ask the learners to:

  1.  State three causes of erosion.
  2. List three effects  of erosion
  3. List three strategies for controlling erosion.
  4.  

CONCLUSION: the teacher summarize the lesson.

PREVIOUS LESSON: POLLUTION

NEXT LESSON: ENVIRONMENTAL QUALITY

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