Lesson Notes By Weeks and Term - Senior Secondary 1

Water

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Term: 1st Term

Week: 9

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes

Date:       

Subject:      Food and nutrition

Topic:-       Water

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

  1. Define water
  2. State the functions of water
  3. Outline the sources of water

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

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures

INSTRUCTIONAL PROCEDURES

PERIOD 1

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S ACTIVITY

STEP 1

INTRODUCTION

The teacher reviews the previous lesson on minerals

Students pay attention

STEP 2

EXPLANATION

She defines water

Students pay attention and participates

STEP 3

DEMONSTRATION

She states the functions of water and lists its sources

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

WATER

Water is very important for the existence of man.

The chemical composition of water is hydrogen and oxygen.[H2O]. It has no energy value. it is neutral, colorless, odorless and tasteless. Water makes up about two thirds of the total body composition. It is important in regulating body processes.

functions of water in the body

  1. water serves as the medium for the transportation of substances from one part of the body to another.
  2. it regulates the body temperature.
  3. it quenches thirst.
  4. Assists in the excretion of waste products from the body e.g. urea, which is excreted by the kidneys and passed out as urine.
  5. Water aids the digestion of foods and absorption of nutrients.
  6. It keeps the lining membranes of organs moist e.g. bone joints, eyes i.e. it acts as a lubricant. 

Sources: the main source of water for the body is the drinking water. it also come into the body through beverages, beer and some other foods we consume

 

EVALUATION:    1. Define water

  1. State three functions of water
  2. List four sources of water

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively