Lesson Notes By Weeks and Term - Senior Secondary School 2

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  4. Farm surveying equipment II

Term: 1st Term

Week: 3

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 2 periods each

Date:       

Subject:    Agriculture

Topic:-      Farm Surveying Equipment II

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. List and discuss the use of some common surveying equipment
  2. Describe how to generally maintain surveying equipment

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S ACTIVITY

STEP 1

INTRODUCTION

The teacher reviews the previous lesson on farm surveying equipment

Students pay attention

STEP 2

EXPLANATION

She lists and discusses the use of some surveying equipment

Students pay attention and participates

STEP 3

DEMONSTRATION

She then describes how to generally maintain surveying equipment

Students pay attention and participate

STEP 4

NOTE TAKING

The teacher writes a summarized note on the board

The students copy the note in their books

 

NOTE

SOME COMMON SURVEYING EQUIPMENT

  1. Offset Staff

This is a graduated rod-3m long.  A hook may be fitted at the top for the purpose of pulling a chain through a hedge. 

Function/Use  

(i) it is used for taking short offset measurements.

 

  1. Beacon or Pillar

It is made of rectangular block usually in concrete form.  Marks are usually inscribed on top of the block.  The beacons are always buried in the ground with marked head raised a little above the ground.

Function/Use

(i) It is used for marking off points measured. 

(ii) It is also used for the recognition of the measured or surveyed area.

 

General Maintenance of Surveying Instruments

  1. All instruments must be clean after use.
  2. Keep instruments in dry and cool places.
  3. Those with metal parts should be oiled or greased or painted before they are put away for a long time.
  4. Keep instrument away from heat and rain to prevent damage and rushing respectively.
  5. Replace worn-out parts.
  6. Use instrument only for the intended functions.
  7. Let competent surveyor handle and use the instrument only or as he may direct.

 

EVALUATION:   1. List and discuss the use of some farm surveying equipment

  1. Describe the general maintenance of surveying                              equipment

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively