Lesson Notes By Weeks and Term - Senior Secondary 1

Population of Nigeria

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TERM – 3RD TERM

WEEK SIX

Class: Senior Secondary School 1

Age: 15 years

Duration: 40 minutes of 5 periods each

Date:

Subject: Geography

Topic: POPULATION OF NIGERIA

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

  1. Describe the size, distribution and structure of population in Nigeria and account for the reasons in growth.
  2. Explain the procedures for measuring and recording the elements of weather and climate.
  3. Relate the importance of weather and climate to physical and human activities

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers,

demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher discusses the size, distribution and structure of Nigeria.

Teacher discusses the reasons for population growth in Nigeria

Individual students describe the size and structure of Nigeria and give reasons for the growth in population of Nigeria.

STEP 2

EXPLANATION

Teacher explains  and demonstrate the procedure for measuring and recording elements of weather and climate

Students as a class, highlight the instruments for measuring elements of weather and climate Students in small groups measure and record the elements of weather and climate in their school weather station

STEP 3

DEMONSTRATIO

N

Teacher  discusses the importance of weather and climate both to physical and human activities.

Each student related the importance of weather and climate to physical and human activities

STEP 4

NOTE TAKING

The teacher writes a summarized note on the board

 

The students

copy the note in

their books

 

NOTE

POPULATION OF NIGERIA

The term "population" refers to the total number of people living in a specific geographic area, region, country, or the world. Geographers analyze population distribution, density, demographics, and patterns to understand the spatial aspects of human settlements and their impact on the environment.

Size and Distribution of Nigeria population

  1. Size: Nigeria is the most populous country in Africa and one of the most populous globally, with an estimated population exceeding 200 million people.
  2. Distribution: Population distribution is uneven, with higher concentrations in urban areas such as Lagos, Kano, and Ibadan. Lagos, in particular, is one of the most populous cities in Africa.

Structure

  1. Age Structure: Nigeria has a predominantly young population, with a significant percentage under the age of 30. The country has a demographic bulge, with a large youth population.
  2. Rural-Urban Divide: While urbanization is occurring, a significant portion of the population still resides in rural areas, engaged in agriculture and traditional livelihoods.

Reasons for Population Growth

  1. High Birth Rates: Nigeria has experienced relatively high birth rates, contributing to population growth. Cultural and social factors, along with limited access to family planning, have influenced fertility rates.
  2. Declining Mortality Rates: Improvements in healthcare, sanitation, and disease control have led to a decline in mortality rates, increasing life expectancy and contributing to population growth.
  3. Urbanization: Migration from rural to urban areas, driven by factors like economic opportunities and improved living conditions, has contributed to population growth in urban centers.
  4. Cultural and Religious Factors: Cultural and religious beliefs often play a role in family size decisions, with some communities valuing larger families.
  5. Limited Access to Education: In some regions, limited access to education, especially for girls, can contribute to early marriages and higher fertility rates.
  6. Economic Factors: Economic factors, including poverty and lack of employment opportunities, can influence family size and contribute to a higher population growth rate.
  7. Government Policies: Government policies and initiatives related to family planning, healthcare, and education can impact population growth. Changes in policy focus can influence demographic trends.

Procedures for measuring and recording the elements of weather and climate.

Measuring and recording the elements of weather and climate involves the use of various instruments and systematic procedures to gather accurate and reliable data. Here are the general procedures for measuring and recording key weather and climate elements:

  1. Temperature: The instrument for measuring temperature is called thermometer (mercury, alcohol, or electronic).

   - Procedure: Place the thermometer in a shaded location at the appropriate height above the ground. Record the temperature at regular intervals, typically once per hour.

  1. Humidity: Humidity is measured with a Hygrometer (psychrometer for relative humidity).

   - Procedure: Use a psychrometer to measure wet-bulb and dry-bulb temperatures. Calculate relative humidity based on the temperature difference between the two bulbs.

  1. Precipitation: Rain gauge is used for measuring liquid precipitation, snow gauge for used solid precipitation.

   - Procedure: Place the rain gauge or snow gauge in an open area away from obstructions. Measure the collected precipitation at regular intervals and record.

  1. Wind Speed and Direction: Anemometer is used for measuring the speedof the wind, while wind vane used for measuring the direction.

   - Procedure: Install the anemometer in an unobstructed area. Record wind speed and direction at specific intervals, noting any variations.

  1. Air Pressure: Pressure is measured with an instrument called Barometer (aneroid or mercury).

   - Procedure: Place the barometer in a location free from drafts. Record air pressure regularly, adjusting for changes in altitude.

Importance of weather and climate to physical and human activities

Weather and climate play crucial roles in both physical and human activities.

Physical Activities:

  1. Weather patterns influence crop growth, irrigation needs, and harvesting times.
  2. Climate affects ecosystems, biodiversity, and water availability, impacting resource planning and conservation efforts.
  3. Weather conditions impact renewable energy sources like solar and wind power.
  4. Understanding climate patterns is essential for predicting and preparing for natural disasters such as hurricanes, floods, and droughts.

Human Activities:

  1. Weather influences the spread of diseases, heat-related illnesses, and overall well-being.
  2. Climate considerations are vital for designing resilient buildings, transportation systems, and urban development.
  3. Weather significantly influences travel patterns and destination choices.
  4. Industries such as tourism, agriculture, and energy production are highly sensitive to weather and climate variations.
  5. Climate affects water availability and quality, influencing water resource management and usage.

EVALUATION: 1. Discuss the size and population of Nigeria

  1. Account for the continuous growth in population of Nigeria. Give 4 reasons.
  2. Mention 3 importance of weather and climate to the human activities here in Nigeria.
  3. Discuss the procedure for measuring temperature

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively