Environmental Quality

TOPIC: Environmental Quality
SUBTOPIC: Meaning, Advantages, Healthy vs Degraded Environment, Factors Degrading Environment
CLASS: Primary 5
DATE: ____________________
PERIOD: ____________________
DURATION: 40 minutes

LEARNING OBJECTIVES:
Pupils should be able to:

1. Define environmental quality.
2. Appraise a healthy environment.
3. Differentiate between healthy and degraded environment.
4. State disadvantages of a degraded environment.
5. Describe factors that degrade the environment.

KEY VOCABULARY WORDS: Environment, Quality, Pollution, Degraded, Healthy.

INSTRUCTIONAL MATERIALS: Charts showing clean and dirty environments, pictures of polluted areas.

INTRODUCTORY ACTIVITY:
Teacher shows pupils two pictures: one of a clean environment and another of a dirty environment. Pupils discuss which one they would prefer to live in and why.

CONTENT OF THE LESSON:
The environment is everything around us. Environmental quality means how clean, safe, and healthy our environment is. An environment can either be degraded or healthy.

• Healthy Environment: This is an environment that is healthy for living. It is clean, has fresh air, pure water, trees, and no waste around.
• Degraded Environment: This is an environment that is not healthy for living. It is dirty, full of waste, polluted air and water, dangerous for health.

Advantages of a Healthy Environment:

1. Promotes good health.
2. Reduces diseases.
3. Makes life enjoyable.

Disadvantages of a Degraded Environment:

1. Causes sickness such as malaria and cholera.
2. Produces bad smell.
3. Reduces quality of life.

Factors Degrading Environment: Waste, deforestation, smoke, noise, oil spillage.

CLASS EXERCISE 1: List three things you can see in a healthy environment.
CLASS EXERCISE 2: State two disadvantages of a degraded environment.

ASSIGNMENT (MCQs):

1. A healthy environment is (a) clean (b) dirty (c) polluted (d) degraded
2. Which of these can degrade the environment? (a) Planting trees (b) Oil spillage (c) Clean water (d) Sweeping
3. One advantage of a healthy environment is (a) causing diseases (b) making life enjoyable (c) spreading germs (d) bad smell
4. Which of these is NOT a degraded environment? (a) Dustbin site (b) Dirty gutter (c) Playground (d) Refuse dump
5. Pollution means (a) making environment dirty (b) planting flowers (c) cleaning gutters (d) drinking water