SAFETY MEASURE IN APPLYING CHEMICALS
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AGRICULTURAL SCIENCE SECOND TERM E NOTES FOR BASIC FOUR
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Subject :
AGRICULTURAL SCIENCE
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Topic :
SAFETY MEASURE IN APPLYING CHEMICALS
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Class :
BASIC FOUR
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 SECOND TERM Â
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WEEK 5
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LEARNING MATERIALS
- Whiteboard/Chalkboard
- Explanatory posters/pictures
- Explanatory videos
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Instructional Materials :
- Lagos State Scheme of Work.
- Online Materials.
- Physical and Health Education for Primary Schools
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Previous Knowledge :
The pupils have been taught
MATERIALS FOR GROWING CROPS CONT.
in their previous lesson
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PERFORMANCE OBJECTIVES
At the end of the lesson , pupils should be able to
1. List two safety measures in applying chemicals
2. State two dangers of excessive use of chemicals
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Content
SAFETY MEASURES IN APPLYING CHEMICALS
- 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.
- Do not allow chemicals to come in contact with your skin.
- 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
- Chemicals can be toxic to the crop and kill our crops.
- It can destroy the useful living things in the soil.
- It can be washed into streams and rivers and kill fish and other water living organisms.
- Chemicals can cause water and air pollution
- Some chemicals if they touch our skin, can burn the skin.
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Presentation
The topic is presented step by step
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Step 1:
The class teacher revises the previous topics
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Step 2.
He introduces the new topic
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Step 3:
The class teacher allows the pupils to give their own examples and he corrects them when the needs arise
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Evaluation :-
- List two safety measures in applying chemicals
- State two dangers of excessive use of chemicals
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Conclusion :
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The teacher summarize the lesson. He or she gives out a board summary of the topic as note . He or she goes round to mark and does the necessary corrections
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