SAFETY MEASURE IN APPLYING CHEMICALS

 

 

AGRICULTURAL SCIENCE SECOND TERM E NOTES FOR BASIC FOUR

 

 

Subject :

AGRICULTURAL SCIENCE

 

 

Topic :

SAFETY MEASURE IN APPLYING CHEMICALS

 

 

Class :

BASIC FOUR

 

 

 SECOND TERM  

 

 

WEEK 5

 

 

LEARNING MATERIALS

  • Whiteboard/Chalkboard
  • Explanatory posters/pictures
  • Explanatory videos

 

Instructional Materials :

  • Lagos State Scheme of Work.
  • Online Materials.
  • Physical and Health Education for Primary Schools

 

 

Previous Knowledge :

The pupils have been taught

MATERIALS FOR GROWING CROPS CONT.

in their previous lesson

 

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

:

 

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.

 


Presentation

The topic is presented step by step

 

Step 1:

The class teacher revises the previous topics

 

Step 2.

He introduces the new topic

 

Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise

 

 

 

Evaluation :-

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

 

Conclusion :

 

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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