Basic Electricity - Senior Secondary 2 - Electricity generation II
Electricity generation II
Electricity generation II
TERM: 1ST TERM
WEEK TWO
Class: Senior Secondary School 2
Age: 16 years
Duration: 40 minutes of 5 periods each
Date:
Subject: BASIC ELECTRICITY
Topic: ELECTRICITY GENERATION II
SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to
I.) State the advantages of each type of electricity generation
II.) State the disadvantages of each type 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 highlights the types of electricity generation and discuss their advantages Individually |
Students listens attentively to the teacher |
|
STEP 2 EXPLANATION |
Teacher discusses the disadvantages of each type 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 II
Advantages and disadvantages of each type of electricity generation:
Advantages of Fossil Fuel Power Plants
- Reliable and proven technology.
- Can provide a steady power supply, suitable for baseload demand.
- Existing infrastructure and relatively low initial capital costs.
Disadvantages of Fossil Fuel Power Plants
- High greenhouse gas emissions contribute to climate change.
- Dependence on finite fossil fuel resources.
- Air pollution and health hazards associated with combustion by-products.
Advantages of Nuclear Power Plants
- Produces large amounts of electricity with minimal greenhouse gas emissions.
- Provides a steady and reliable power supply, suitable for baseload demand.
- Reduces dependency on fossil fuels and enhances energy security.
Disadvantages of nuclear power plants
- Risk of accidents and potential catastrophic consequences.
- Long-term disposal of radioactive waste.
- High initial capital costs and long construction lead times.
Advantages of Hydroelectric Power Plants:
- Renewable energy source with no greenhouse gas emissions during operation.
- Provides reliable and controllable electricity generation, suitable for baseload and peak demand.
- Additional benefits like flood control, water storage, and recreational opportunities.
Disadvantages of hydroelectric power plants
- Disruption of aquatic ecosystems and habitats due to dam construction.
- Relocation of communities and loss of cultural heritage in dam-affected areas.
- Vulnerability to droughts and changing precipitation patterns.
Advantages of Wind Turbines
- Abundant and renewable energy source with no fuel costs or greenhouse gas emissions.
- Quick installation and scalability, allowing for rapid deployment and expansion.
- Economic benefits through job creation and local investment in wind energy projects.
Disadvantages of wind turbines
- Variable and intermittent energy production depending on wind speed and direction.
- Visual and noise impacts, particularly in densely populated areas.
- Potential harm to wildlife, including birds and bats, from collisions with turbine blades.
Advantages of Solar Photovoltaic (PV) Systems
- Renewable and abundant energy source with no fuel costs or greenhouse gas emissions.
- Suitable for both centralized and distributed generation, enabling energy independence and resilience.
- Decreasing costs and technological advancements make solar energy increasingly competitive and accessible.
Disadvantages of Solar Photovoltaic (PV) Systems
- Intermittent energy production dependent on sunlight availability and weather conditions.
- Requires large land areas for utility-scale installations.
- Energy storage solutions are needed to address intermittency and variability.
Advantages of Biomass Power Plants
- Utilizes organic waste materials and by-products for electricity generation, reducing landfill waste and emissions.
- Can provide a reliable and dispatchable source of renewable energy, suitable for baseload and peak demand.
- Supports local economies by creating jobs in biomass supply chains and fostering rural development.
Disadvantages of Biomass Power Plants
- Carbon emissions and air pollution from combustion of biomass feedstocks.
- Competition with food production and land use conflicts.
- Limited availability and sustainability of biomass resources, particularly in densely populated regions.
EVALUATION: 1. State 2 advantages and 2 disadvantages of biomass power plants
CLASSWORK: As in evaluation
CONCLUSION: The teacher commends the students positively