Lesson Notes By Weeks and Term - Primary 4

Term: 3^rd Term

Week: 6

Class: Primary 4

Age: 9 years

Duration: 40 minutes of 3 periods

Date:

Subject: Basic Science and Technology

Topic:-       Harmful Foods

• Spread of diseases
• Launching of Microsoft Excel

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

1. Explain the meaning of harmful food
2. State examples of harmful food
3. Explain effects of unbalanced food
4. Describe ways diseases are spread
5. List examples of diseases spread by different agents
6. Locate and launch Microsoft Excel

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

INSTRUCTIONAL MATERIALS: Charts/pictures showing the classes of food and the examples of food under each class, raw food items e.g beans, rice, garri, fruits and water, computer system, sound system, projector

INSTRUCTIONAL PROCEDURES

PERIOD 1: Harmful Food

NOTE

Harmful food

Harmful food is generally defined as foods that are spoiled or tainted because they either contain microorganisms, such as bacteria or parasites, or toxic substances that make them unfit for consumption

How to identify harmful food

1. Sour, bitter or stale taste
2. Change in appearance
3. Presence of microbes which results in patches, growth of maggots etc

Things to look out for in harmful foods

Never buy or eat food that have:

1. dented, swollen or leaking cans or containers.
2. products with damaged or imperfect packaging.
3. cracked or dirty eggs.
4. chilled or frozen foods that have been left out of the refrigerator or freezer.
5. products that are soiled or mouldy.
6. ready-to-eat foods left uncovered on counters.

EVALUATION:    1. Explain the meaning of harmful foods

2. How can we identify harmful foods?
3. Give four examples of harmful foods

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the pupils positively

PERIOD 2 and 3: Spread of diseases. Microsoft Excel

NOTE

Ways through which diseases can be spread and gives examples

1. Air

Examples include

1. Coronavirus and COVID-19. The CDC recommends that all people wear cloth face masks in public places where it's difficult to maintain a 6-foot distance from others. ...
2. The common cold. 
3. Influenza. 
4. Chickenpox. 
5. Mumps. 
6. Measles. 
7. Whooping cough (pertussis) 
8. Tuberculosis (TB)

2. Food/water

Examples include

1. Campylobacter.
2. Cryptosporidium.
3. E. coli infection.
4. Giardiasis (Giardia)
5. Hepatitis A.
6. Listeriosis.
7. Norovirus.
8. Salmonellosis (Salmonella)

3. Insect

Examples include

1. Zika virus
2. Yellow Fever
3. Malaria.
4. Lyme disease  
5. Rocky Mountain
6. African trypanosomiasis
7. chikungunya virus
8. dengue fever

4. Body contact

Examples include

1. hepatitis B - blood, saliva, semen and vaginal fluids.
2. hepatitis C - blood.
3. human immunodeficiency virus (HIV) infection - blood, semen and vaginal fluids, breastmilk.
4. cytomegalovirus (CMV) infection - saliva, semen and vaginal fluids, urine, etc.

How to locate and launch Microsoft Excel

1. Click the Start button. . If Excel Starter is not included among the list of programs you see, click All Programs, and then click Microsoft Office Starter.
2. Click Microsoft Excel Starter 2010. The Excel Starter startup screen appears, and a blank spreadsheet is displayed.

EVALUATION:    1. List the ways diseases are spread. Give three examples of diseases spread by each way

CLASS ACTIVITY: Pupils as individuals locate and launch Microsoft Excel

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the pupils positively