Our Weather

TOPIC: Our Weather
SUBTOPIC: Meaning of Weather – Factors Affecting Weather
CLASS: PRIMARY 4
DATE: ____________________
PERIOD: ____________________
DURATION: 40 minutes

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

1. Define weather.
2. List and explain factors affecting weather.
3. Relate weather conditions to changes in the sun, cloud, wind, temperature, etc.

KEY VOCABULARY WORDS: weather, temperature, humidity, rainfall, wind, cloud.

INSTRUCTIONAL MATERIALS:

• Weather chart showing sunny, rainy, cloudy days
• Thermometer, wind vane, rain gauge (real or improvised)
• Pictures of different weather conditions

CONTENT OF THE LESSON:

Meaning of Weather:
Weather is the condition of the atmosphere at a particular place and time. It can change from hour to hour or day to day.

Factors Affecting Weather:

1. Sunlight (Solar Energy): Amount of sunshine affects temperature and evaporation.
2. Cloud Cover: Clouds block sunlight and bring rain.
3. Wind: Moves air and affects temperature.
4. Rainfall: Amount of rain affects soil moisture and plant growth.
5. Humidity: Amount of moisture in the air.
6. Temperature: Degree of hotness or coldness of the air.

Why Weather Changes:

• Rotation of the Earth.
• Movement of air masses.
• Changes in seasons.

Diagram – Factors Affecting Weather:
(Teacher draws a simple chart showing sun, clouds, wind, rain, temperature around a central “Weather” circle.)

INTRODUCTORY ACTIVITY:
Teacher asks pupils: “What was the weather like this morning? Has it changed now?”

CLASS EXERCISE 1:
Mention three factors that affect weather.

CLASS EXERCISE 2:
Explain why weather is not the same every day.

ASSIGNMENT (MCQs – ):

1. Weather means the condition of the (a) soil (b) air (c) water at a place and time
2. Which factor blocks sunlight? (a) clouds (b) wind (c) rain
3. The degree of hotness or coldness of the air is called (a) humidity (b) temperature (c) rainfall
4. Moisture in the air is called (a) humidity (b) temperature (c) wind
5. Which of these does NOT affect weather? (a) sun (b) clouds (c) chair