Basic Electricity - Senior Secondary 2 - Electricity generation

Electricity generation

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TERM: 1ST TERM

WEEK ONE

Class: Senior Secondary School 2

Age: 16 years

Duration: 40 minutes of 5 periods each

Date:

Subject: BASIC ELECTRICITY

Topic: ELECTRICITY GENERATION

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

I.) Define electricity generation

II.) Identify the types of electricity generation

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 explains the meaning of electricity generation

Students listens attentively to the teacher                                                                          

STEP 2

EXPLANATION

Teacher state and explain the types of electricity generation

Students exhibit attentiveness and active engagement

STEP 3

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

ELECTRICITY GENERATION

Electricity generation refers to the process of producing electrical energy from various sources such as fossil fuels, nuclear reactions, renewable resources like wind, solar, hydro, and geothermal energy. This process involves converting different forms of energy into electrical energy that can be used to power homes, businesses, industries, and infrastructure.

Types of electricity generation

The following are the main types of electricity generation:

  1. Fossil Fuel Power Plants: These plants burn coal, natural gas, or oil to produce steam, which drives turbines connected to generators. They are reliable but contribute to air pollution and carbon emissions.
  2. Nuclear Power Plants: Nuclear reactors use controlled nuclear reactions to heat water and produce steam, which then drives turbines. They provide a steady supply of power but pose risks of accidents and nuclear waste disposal.
  3. Hydroelectric Power Plants: These plants use the gravitational force of falling or flowing water to turn turbines, which generate electricity. Hydroelectric power is renewable and produces minimal greenhouse gas emissions, but can disrupt ecosystems and require large dams.
  4. Wind Turbines: Wind turbines convert the kinetic energy of wind into mechanical power through the rotation of blades, which then drives generators. Wind power is renewable and clean, but its output can be variable and depends on wind conditions.
  5. Solar Photovoltaic (PV) Systems: Solar panels convert sunlight directly into electricity through the photovoltaic effect. Solar power is renewable and emits no greenhouse gases during operation, but its efficiency depends on sunlight availability and requires large surface areas for significant energy production.
  6. Biomass Power Plants: Biomass power plants burn organic materials like wood, agricultural residues, and waste to generate heat, which then drives turbines. Biomass is renewable, but its combustion can release pollutants and carbon emissions.

EVALUATION: 1. What is electricity generation?

  1. State and explain 5 types of electricity generation

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively