Environmental Quality II – Maintaining Healthy Environment Basic 5 Basic Science Lesson Note

LEARNING OBJECTIVES

By the end of this lesson, pupils should be able to:

• Identify signs of maintaining fresh and beautiful natural environment
• List materials for maintaining healthy environment

TEACHING AND LEARNING MATERIALS

• Charts showing clean and dirty environments
• Real-life picture books
• Posters
• Cardboard
• Videos
• Markers
• Whiteboard/Chalkboard
• Examples of products that help keep environment clean
• Examples of dirty and clean products

TEACHING AND LEARNING METHODS

• Explanation
• Discussion
• Demonstration

REFERENCE MATERIALS

• NERDC Basic Education Curriculum for primary schools
• Universal Basic Education Curriculum for primary schools
• Basic Science and Technology Textbook for Primary 5
• Unified Schemes of Work for Upper Basic Primary Schools (NERDC/UBEC)
• Online Materials
• Advanced Basic Science and Technology for Primary Schools

ENTRY BEHAVIOUR/PREVIOUS KNOWLEDGE

Teacher asks pupils what they know about their immediate environment and healthy living.

LESSON CONTENT

What is Environmental Quality?

Environmental Quality is the air in which something exists or lives. It is a living and non-living things such as plants, animals, water, houses, roads and air in an area.

A good quality environment is a healthy and safe environment. Maintaining good quality of the environment begins from home and the school.

An environment quality is the condition or state of our surrounding. Our surrounding at home and school must be clean so that the environment must provide good water (quality), good air to breath and quality food.

A healthy environment is free from disease, air pollutants, dirty products, and very suitable for our children.

Signs of Good Environmental Quality

Some of the basic important signs are:

During the Day:

• Clean air to breathe
• Good water (potable) water
• Good roads/footpaths

Important Environmental conditions with their values, pollutants such as acid rain water and smokestacks are not living:

The following are sources of healthy environmental:

• Farming with chemicals
• Playing with chemicals
• Bush burning
• Dumping of refuse
• Damage to water
• Oil drilling
• Erosion
• Wind
• Snakes
• Volcanic eruptions

Advantages of a Healthy Environment

A healthy environment gives us comfort:

• A healthy environment is free from diseases
• A healthy environment gives us clean air to breathe and our diseases
• A healthy environment make us to have to peace with our neighbors
• A healthy environment make us live from unwanted occurrence of poverty has stepping on broken bottles or nail
• A healthy environment guarantees economic and social development
• A healthy environment promotes human education
• Human health is guaranteed by a healthy environment
• A healthy environment ensures the survival of all living organisms both plants and animals
• A healthy environment provides portable water for drinking

How to Maintain a Healthy Environment

COMPONENTS OF POOR QUALITY/UNHEALTHY ENVIRONMENT:

• There will be bad odours in the environment
• There will be outbreak of diseases which may lead to death
• There will be discomfort in the environment
• The environment will look dirty
• It can cause bad water and poor food contamination
• It can cause water pollution and poisoning of aquatic animals
• It will lead to reduction in crop yields and hunger of farming resulting from economic pollution and oil spillage

Ways of Maintaining Healthy Environment

• Keep the surrounding clean always
• Plant live without and other buildings clean
• Clear the human footpath
• Avoid dumping of refuse anywhere
• Sweep the compound and pack the toilet regularly
• Plant flowers and fruit tree to serve as shades and beautify the environment
• Construct good drainage system
• Clear the gutter and drains to allow flowing of liquid water
• Proper drainage and sewage
• Avoid throwing around toilet, introduction to properly dispose of disorders that waste properly
• People must maintain a healthy environment
• Avoid bush burning

Materials for Maintaining a Healthy Environment at Home and School

Common materials include:

• Dustbin
• Broom/Sweeper
• Detergents
• Brushes
• Mop
• Soap
• Toilet brush
• Waste bag
• Dustpan
• Pail water
• Cutlass
• Watering hose
• Hoe
• Disinfectants
• Bed water
• Rags
• Sponge
• Needles
• Watering devices
• Shovel
• Hoe
• Garden fork
• Rake
• Lawn

INSTRUCTIONAL PROCEDURE

The Teacher revises the previous lesson’s REVISION:

• The Teacher introduces the lesson through questions and cleans (Environmental Quality)
• The Teacher explains the features
• The pupils copy the note on the board

LEARNING ACTIVITIES

Content participation in class discussion

LESSON EVALUATION

Teacher ask the learners to:

• Define Environmental Quality
• List three good quality of healthy environment
• State five materials for maintaining quality environment
• Mention three Poor Quality environment
• Mention three features of healthy environment

ASSIGNMENT

Write short notes on how to maintain environmental quality at home and in school.

CONCLUSION

Environmental quality is very important for our health and well-being. We must all work together to keep our environment clean and healthy.