Lesson Notes By Weeks and Term - Primary 4

Class:- Basic 4

Subject:- Agricultural Science

Term: 3^rd Term

Week:- 5

Topic: Safety measures in applying chemicals

Behavioral objective:- At the end of the lesson the pupils should be able to:-

1. List two safety measures in applying chemicals
2. State two dangers of excessive use of chemicals

Instructional material/Reference material:- Learn Africa Basic Agricultural Science UBE edition for priimary school book 4

Building Background /connection to prior knowledge: Students are familiar with some dangerous chemicals such as acid.

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Content

SAFETY MEASURES IN APPLYING CHEMICALS

1. Spray the chemicals with the aid of a knapsack sprayer with your mouth and face covered. This is to disallow chemicals to get into your mouth.
2. Do not allow chemicals to come in contact with your skin.
3. Always wash your hands with soap and water after use. It is even better to take a full bath after use.

DANGERS INVOLVED IN EXCESSIVE USE OF CHEMICALS

1. Chemicals can be toxic to the crop and kill our crops.
2. It can destroy the useful living things in the soil.
3. It can be washed into streams and rivers and kill fish and other water living organisms.
4. Chemicals can cause water and air pollution
5. Some chemicals if they touch our skin, can burn the skin.

Evaluation :-

1. List two safety measures in applying chemicals
2. State two dangers of excessive use of chemicals