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| WK | LSN | STRAND | SUB-STRAND | LESSON LEARNING OUTCOMES | LEARNING EXPERIENCES | KEY INQUIRY QUESTIONS | LEARNING RESOURCES | ASSESSMENT METHODS | REFLECTION |
|---|---|---|---|---|---|---|---|---|---|
| 2 | 1 |
Living Things and their Environment
|
Properties of the cell membrane
|
By the end of the
lesson, the learner
should be able to:
- Describe the properties of the cell membrane - Explain what semi-permeable means - Relate semi-permeability to how tea bags allow flavour through but not leaves |
- Discuss properties of cell membrane based on soap bubble activity
- Explain semi-permeability using diagrams - Discuss how cell membrane is sensitive to temperature and pH - Share findings with classmates |
What are the properties of the cell membrane?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 107
- Cell membrane diagrams - Digital devices - Reference books |
- Oral questions
- Written notes
- Group discussion
|
|
| 2 | 2-3 |
Living Things and their Environment
|
Effects of heat on cell membrane - Potato experiment
Effects of heat on cell membrane - Beetroot experiment |
By the end of the
lesson, the learner
should be able to:
- Investigate the effect of heat on cell membrane using potato - Compare responses of boiled and raw potato to sugar solution - Connect heat damage to membranes with how cooking changes food texture - Investigate effects of heat on cell membrane using beetroot cores - Relate colour intensity to membrane damage at different temperatures - Explain why overheating damages living tissues like sunburn |
- Bore cylindrical holes in raw and boiled potatoes
- Add concentrated sugar solution to hollow chambers - Place potatoes in petri dishes with water - Observe and record changes after one hour - Prepare water baths at different temperatures (10°C to 70°C) - Cut beetroot cores of equal length - Place cores in boiling tubes at different temperatures - Observe and compare colour intensity in each tube |
How does heat affect the cell membrane?
Why does beetroot release more colour at higher temperatures? |
- Spotlight Integrated Science Learner's Book Grade 8 pg. 108
- Potatoes, cork borer - Concentrated sugar solution - Beakers, petri dishes - Spotlight Integrated Science Learner's Book Grade 8 pg. 109 - Beetroot, cork borer - Water baths, thermometers - Boiling tubes, test tube rack |
- Practical report
- Observation
- Written questions
- Practical assessment - Data recording - Written analysis |
|
| 2 | 4 |
Living Things and their Environment
|
Effects of dilute acids and alkalis on cell membrane
|
By the end of the
lesson, the learner
should be able to:
- Investigate effects of dilute acids and alkalis on cell membrane - Relate concentration to amount of pigment released - Connect to why strong cleaning chemicals damage skin |
- Prepare test tubes with different concentrations of dilute HCl
- Add beetroot cores to each test tube - Observe colour intensity after one hour - Repeat experiment using dilute sodium hydroxide |
How do acids and alkalis affect the cell membrane?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 111
- Beetroot cores - Dilute HCl, dilute NaOH - Test tubes, syringes |
- Practical report
- Observation
- Written analysis
|
|
| 2 | 5 |
Living Things and their Environment
|
Effects of dilute acids and alkalis on cell membrane
|
By the end of the
lesson, the learner
should be able to:
- Investigate effects of dilute acids and alkalis on cell membrane - Relate concentration to amount of pigment released - Connect to why strong cleaning chemicals damage skin |
- Prepare test tubes with different concentrations of dilute HCl
- Add beetroot cores to each test tube - Observe colour intensity after one hour - Repeat experiment using dilute sodium hydroxide |
How do acids and alkalis affect the cell membrane?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 111
- Beetroot cores - Dilute HCl, dilute NaOH - Test tubes, syringes |
- Practical report
- Observation
- Written analysis
|
|
| 3 | 1 |
Living Things and their Environment
|
Demonstrating diffusion using perfume
|
By the end of the
lesson, the learner
should be able to:
- Define diffusion - Demonstrate diffusion using perfume in the classroom - Relate diffusion to how cooking smells spread through a house |
- Spray perfume in one corner of the classroom
- Observe how the scent spreads across the room - Record the order in which learners detect the scent - Discuss how perfume particles moved from high to low concentration |
How do particles move from one place to another?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 113
- Perfume or deodorant spray - Stopwatch - Notebooks |
- Observation
- Oral questions
- Class discussion
|
|
| 3 | 2-3 |
Living Things and their Environment
|
Role of diffusion in gaseous exchange
Role of diffusion in absorption and plants |
By the end of the
lesson, the learner
should be able to:
- Explain the role of diffusion in gaseous exchange in humans - Describe how oxygen and carbon dioxide move in the lungs - Connect to why we breathe faster during exercise - Explain the role of diffusion in absorption of digested food - Describe diffusion in plants for gaseous exchange and mineral absorption - Relate to how plants absorb nutrients from fertilisers |
- Read and discuss essay on diffusion in living things
- Study diagrams showing gaseous exchange in alveoli - Explain how oxygen diffuses from alveoli into blood - Discuss how carbon dioxide diffuses from blood to alveoli - Discuss absorption of glucose from small intestine into blood - Explain how plants take in carbon dioxide through stomata - Describe how root hair cells absorb mineral salts by diffusion - Search the Internet for videos on diffusion in plants |
How does diffusion help us breathe?
How do living things use diffusion for nutrition? |
- Spotlight Integrated Science Learner's Book Grade 8 pg. 114
- Gaseous exchange diagrams - Digital devices - Reference books - Spotlight Integrated Science Learner's Book Grade 8 pg. 115 - Plant diagrams - Digital devices - Reference materials |
- Written notes
- Diagram labelling
- Oral questions
- Written summary - Oral presentation - Observation |
|
| 3 | 4 |
Living Things and their Environment
|
Factors affecting diffusion
|
By the end of the
lesson, the learner
should be able to:
- Describe factors affecting the rate of diffusion - Explain how temperature and concentration gradient affect diffusion - Connect to why hot tea cools faster and releases more aroma |
- Search reference materials for factors affecting diffusion
- Discuss effect of temperature on diffusion rate - Explain how surface area to volume ratio affects diffusion - Discuss concentration gradient and its effect on diffusion |
What factors affect how fast diffusion occurs?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 116
- Digital devices - Reference books - Charts |
- Oral questions
- Written notes
- Group discussion
|
|
| 3 | 5 |
Living Things and their Environment
|
Demonstrating osmosis using visking tubing
|
By the end of the
lesson, the learner
should be able to:
- Define osmosis - Demonstrate osmosis using visking tubing - Connect osmosis to how dried fruits swell when soaked in water |
- Tie one end of visking tubing and fill with concentrated sugar solution
- Immerse the tubing in a beaker of distilled water - Observe changes after thirty minutes - Explain movement of water molecules through the membrane |
How do water molecules move through a semi-permeable membrane?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 118
- Visking tubing - Concentrated sugar solution - Distilled water, beaker |
- Practical report
- Observation
- Written explanation
|
|
| 4 | 1 |
Living Things and their Environment
|
Demonstrating osmosis using Irish potato
|
By the end of the
lesson, the learner
should be able to:
- Investigate osmosis using potato cores - Measure changes in length of potato cores in different solutions - Relate to why vegetables become crisp in water and soft in salt |
- Obtain six potato cores of equal length (50mm)
- Place three cores in distilled water and three in concentrated sugar solution - Measure length after forty minutes - Record and compare changes in length |
What happens to plant cells in different solutions?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 120
- Irish potatoes, cork borer - Distilled water - Concentrated sugar solution - Ruler, boiling tubes |
- Data recording
- Measurement accuracy
- Written analysis
|
|
| 4 | 2-3 |
Living Things and their Environment
|
Demonstrating osmosis using Irish potato
|
By the end of the
lesson, the learner
should be able to:
- Investigate osmosis using potato cores - Measure changes in length of potato cores in different solutions - Relate to why vegetables become crisp in water and soft in salt |
- Obtain six potato cores of equal length (50mm)
- Place three cores in distilled water and three in concentrated sugar solution - Measure length after forty minutes - Record and compare changes in length |
What happens to plant cells in different solutions?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 120
- Irish potatoes, cork borer - Distilled water - Concentrated sugar solution - Ruler, boiling tubes |
- Data recording
- Measurement accuracy
- Written analysis
|
|
| 4 | 4 |
Living Things and their Environment
|
Demonstrating osmosis using Irish potato
|
By the end of the
lesson, the learner
should be able to:
- Investigate osmosis using potato cores - Measure changes in length of potato cores in different solutions - Relate to why vegetables become crisp in water and soft in salt |
- Obtain six potato cores of equal length (50mm)
- Place three cores in distilled water and three in concentrated sugar solution - Measure length after forty minutes - Record and compare changes in length |
What happens to plant cells in different solutions?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 120
- Irish potatoes, cork borer - Distilled water - Concentrated sugar solution - Ruler, boiling tubes |
- Data recording
- Measurement accuracy
- Written analysis
|
|
| 4 | 5 |
Living Things and their Environment
|
Demonstrating osmosis using banana peel strips
|
By the end of the
lesson, the learner
should be able to:
- Demonstrate osmosis using banana peel strips - Explain why strips curve differently in different solutions - Connect to why pickled vegetables shrink and fresh ones stay firm |
- Prepare thin strips from raw green banana peel
- Place strips in distilled water and concentrated salt solution - Observe curving direction after thirty minutes - Explain why inner cells gain or lose water |
Why do banana peel strips curve in different directions?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 121
- Raw green banana peel - Distilled water - Concentrated salt solution - Beakers, scalpel |
- Practical observation
- Drawing
- Written explanation
|
|
| 5 | 1 |
Living Things and their Environment
|
Factors affecting osmosis
|
By the end of the
lesson, the learner
should be able to:
- Describe factors affecting the rate of osmosis - Explain how temperature and concentration gradient affect osmosis - Relate to why plants wilt faster on hot days |
- Use digital devices to search for factors affecting osmosis
- Discuss effect of temperature on osmosis rate - Explain how concentration gradient affects osmosis - Discuss effect of membrane thickness on osmosis |
What factors affect the rate of osmosis?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 123
- Digital devices - Reference books - Charts |
- Oral questions
- Written notes
- Group presentation
|
|
| 5 | 2-3 |
Living Things and their Environment
|
Factors affecting osmosis
|
By the end of the
lesson, the learner
should be able to:
- Describe factors affecting the rate of osmosis - Explain how temperature and concentration gradient affect osmosis - Relate to why plants wilt faster on hot days |
- Use digital devices to search for factors affecting osmosis
- Discuss effect of temperature on osmosis rate - Explain how concentration gradient affects osmosis - Discuss effect of membrane thickness on osmosis |
What factors affect the rate of osmosis?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 123
- Digital devices - Reference books - Charts |
- Oral questions
- Written notes
- Group presentation
|
|
| 5 | 4 |
Living Things and their Environment
|
Factors affecting osmosis
|
By the end of the
lesson, the learner
should be able to:
- Describe factors affecting the rate of osmosis - Explain how temperature and concentration gradient affect osmosis - Relate to why plants wilt faster on hot days |
- Use digital devices to search for factors affecting osmosis
- Discuss effect of temperature on osmosis rate - Explain how concentration gradient affects osmosis - Discuss effect of membrane thickness on osmosis |
What factors affect the rate of osmosis?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 123
- Digital devices - Reference books - Charts |
- Oral questions
- Written notes
- Group presentation
|
|
| 5 | 5 |
Living Things and their Environment
|
Role of osmosis in water absorption and stomata
|
By the end of the
lesson, the learner
should be able to:
- Explain the role of osmosis in water absorption by roots - Describe how osmosis controls opening and closing of stomata - Connect to why watering plants makes them stand upright |
- Discuss how root hair cells absorb water from soil by osmosis
- Explain water distribution from cell to cell in plants - Describe how guard cells control stomata through osmosis - Complete table on roles of osmosis |
How do plants use osmosis for survival?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 124
- Plant diagrams - Digital devices - Reference materials |
- Table completion
- Oral questions
- Written notes
|
|
| 6 | 1 |
Living Things and their Environment
|
Role of osmosis in osmoregulation and plant support
|
By the end of the
lesson, the learner
should be able to:
- Explain the role of osmosis in osmoregulation in the kidney - Describe how osmosis provides support in plants - Relate to why kidneys filter blood and plants droop without water |
- Discuss how kidneys use osmosis to filter blood
- Observe plant leaves at different times of day - Explain wilting and turgidity in plants - Discuss feeding mechanism of insectivorous plants |
How does osmosis help regulate water in living things?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 125
- Young plants - Digital devices - Reference books |
- Observation records
- Written explanation
- Oral questions
|
|
| 6 | 2-3 |
Living Things and their Environment
|
Role of osmosis in osmoregulation and plant support
|
By the end of the
lesson, the learner
should be able to:
- Explain the role of osmosis in osmoregulation in the kidney - Describe how osmosis provides support in plants - Relate to why kidneys filter blood and plants droop without water |
- Discuss how kidneys use osmosis to filter blood
- Observe plant leaves at different times of day - Explain wilting and turgidity in plants - Discuss feeding mechanism of insectivorous plants |
How does osmosis help regulate water in living things?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 125
- Young plants - Digital devices - Reference books |
- Observation records
- Written explanation
- Oral questions
|
|
| 6 | 4 |
Living Things and their Environment
|
Importance of diffusion and osmosis
|
By the end of the
lesson, the learner
should be able to:
- Explain the importance of diffusion and osmosis in living things - Summarise how these processes support life - Connect to everyday processes like breathing, eating, and plant growth |
- Watch videos on gaseous exchange in human lungs
- Discuss importance of diffusion in breathing and nutrition - Discuss importance of osmosis in water balance - Complete assessment activity on the sub-strand |
Why are diffusion and osmosis important for life?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 126
- Digital devices - Assessment worksheets - Reference materials |
- Self-assessment
- Written test
- Oral presentation
|
|
| 6 | 5 |
Living Things and their Environment
|
Importance of diffusion and osmosis
|
By the end of the
lesson, the learner
should be able to:
- Explain the importance of diffusion and osmosis in living things - Summarise how these processes support life - Connect to everyday processes like breathing, eating, and plant growth |
- Watch videos on gaseous exchange in human lungs
- Discuss importance of diffusion in breathing and nutrition - Discuss importance of osmosis in water balance - Complete assessment activity on the sub-strand |
Why are diffusion and osmosis important for life?
|
- Spotlight Integrated Science Learner's Book Grade 8 pg. 126
- Digital devices - Assessment worksheets - Reference materials |
- Self-assessment
- Written test
- Oral presentation
|
|
| 7 | 1 |
Force and Energy
|
Forms of energy in nature
|
By the end of the
lesson, the learner
should be able to:
- Define energy and state its SI unit - Identify different forms of energy in nature - Relate energy forms to everyday activities like cooking and lighting |
- Discuss the meaning of energy and its SI unit
- Use textbooks and Internet to search for information on forms of energy - Identify forms of energy found in the environment |
What are the different forms of energy around us?
|
- Spotlight Integrated Science pg. 130
- Digital resources - Internet access |
- Oral questions
- Observation
- Written assignments
|
|
| 7 | 2-3 |
Force and Energy
|
Forms of energy in nature
Forms of energy - Chemical and electrical energy |
By the end of the
lesson, the learner
should be able to:
- Define energy and state its SI unit - Identify different forms of energy in nature - Relate energy forms to everyday activities like cooking and lighting - Describe chemical energy and give examples - Explain electrical energy and its sources - Connect chemical energy to common items like batteries and food |
- Discuss the meaning of energy and its SI unit
- Use textbooks and Internet to search for information on forms of energy - Identify forms of energy found in the environment - Discuss chemical energy and substances that contain it - Explain electrical energy and how it is generated - Identify devices that use chemical and electrical energy at home |
What are the different forms of energy around us?
How is chemical energy stored in substances? |
- Spotlight Integrated Science pg. 130
- Digital resources - Internet access - Spotlight Integrated Science pg. 130 - Batteries - Electrical appliances |
- Oral questions
- Observation
- Written assignments
- Oral questions - Observation - Practical assessment |
|
| 7 | 4 |
Force and Energy
|
Forms of energy - Mechanical energy
|
By the end of the
lesson, the learner
should be able to:
- Distinguish between potential and kinetic energy - Demonstrate mechanical energy using simple objects - Relate potential and kinetic energy to playground activities and sports |
- Discuss potential energy and kinetic energy
- Demonstrate potential energy using a raised object - Demonstrate kinetic energy using a moving object |
What determines whether an object has potential or kinetic energy?
|
- Spotlight Integrated Science pg. 131
- Small stones - Balls - Working surface |
- Practical assessment
- Oral questions
- Observation
|
|
| 7 | 5 |
Force and Energy
|
Forms of energy - Heat, light and sound energy
|
By the end of the
lesson, the learner
should be able to:
- Describe heat, light and sound energy - Identify sources of heat, light and sound energy - Connect these energy forms to daily experiences like warming food and listening to music |
- Discuss heat energy and its sources
- Explain light energy and how it is produced - Describe sound energy and how vibrations produce it |
How do we experience heat, light and sound energy daily?
|
- Spotlight Integrated Science pg. 132
- Candles - Torches - Musical instruments |
- Oral questions
- Observation
- Written questions
|
|
| 8 | 1 |
Force and Energy
|
Energy transformation - Introduction
|
By the end of the
lesson, the learner
should be able to:
- Explain the meaning of energy transformation - State the law of conservation of energy - Recognize energy changes in cooking, transport and communication |
- Discuss the meaning of energy transformation
- Explain that energy can neither be created nor destroyed - Identify examples of energy transformation in nature |
Why is energy transformation important in our daily lives?
|
- Spotlight Integrated Science pg. 132
- Digital resources - Charts |
- Oral questions
- Written assignments
- Observation
|
|
| 8 | 2-3 |
Force and Energy
|
Energy transformation - Potential to kinetic energy
|
By the end of the
lesson, the learner
should be able to:
- Demonstrate transformation of potential energy to kinetic energy - Explain energy transformation using a falling object - Relate this transformation to activities like dropping objects and swinging |
- Place a small stone at the edge of a table and push it gently
- Observe and record the energy transformation - Discuss the energy changes that occur |
What happens to the energy of an object when it falls?
|
- Spotlight Integrated Science pg. 133
- Small stones - Working table - Stopwatch |
- Practical assessment
- Observation
- Oral questions
|
|
| 8 | 4 |
Force and Energy
|
Energy transformation - Chemical to heat and light energy
|
By the end of the
lesson, the learner
should be able to:
- Demonstrate transformation of chemical energy to heat and light - Explain energy transformation in burning substances - Connect this transformation to cooking with charcoal or gas |
- Light a candle and observe the energy transformation
- Discuss the energy changes from chemical to heat and light - Record observations and share with peers |
How does burning transform chemical energy?
|
- Spotlight Integrated Science pg. 133
- Candles - Matchsticks - Working surface |
- Practical assessment
- Observation
- Written questions
|
|
| 8 | 5 |
Force and Energy
|
Energy transformation - Electrical to heat energy
|
By the end of the
lesson, the learner
should be able to:
- Demonstrate transformation of electrical energy to heat energy - Explain how electric heaters work - Relate this transformation to household appliances like kettles and irons |
- Set up an electric water heater and observe the energy transformation
- Discuss how electrical energy is converted to heat - Identify appliances that transform electrical energy to heat |
How do electric heaters warm our homes?
|
- Spotlight Integrated Science pg. 134
- Electric water heater - Beaker - Water |
- Practical assessment
- Observation
- Oral questions
|
|
| 9 |
Midterm break |
||||||||
| 10 | 1 |
Force and Energy
|
Energy transformation - Kinetic to sound energy
|
By the end of the
lesson, the learner
should be able to:
- Demonstrate transformation of kinetic energy to sound energy - Explain how clapping produces sound - Connect this transformation to musical instruments and daily sounds |
- Clap hands and observe the energy transformation
- Discuss how kinetic energy produces sound energy - Identify other examples of kinetic to sound energy transformation |
How does movement produce sound?
|
- Spotlight Integrated Science pg. 134
- Musical instruments - Digital resources |
- Practical assessment
- Observation
- Oral questions
|
|
| 10 | 2-3 |
Force and Energy
|
Energy transformation - Chemical to electrical to light energy
|
By the end of the
lesson, the learner
should be able to:
- Set up a simple electric circuit - Demonstrate transformation of chemical energy to electrical to light energy - Relate this transformation to how torches and phones work |
- Set up a simple circuit with cells, switch, wires and bulb
- Close the switch and observe the bulb - Discuss the energy transformation process |
How do batteries power our devices?
|
- Spotlight Integrated Science pg. 134
- Cells - Switch - Wires - Bulb |
- Practical assessment
- Observation
- Written questions
|
|
| 10 | 4 |
Force and Energy
|
Energy transformation - Using a pendulum
|
By the end of the
lesson, the learner
should be able to:
- Demonstrate energy transformation using a pendulum - Explain the continuous transformation between potential and kinetic energy - Connect pendulum motion to playground swings and clock mechanisms |
- Set up a simple pendulum
- Observe and discuss energy transformation at different points - Record the energy changes at points A, B and C |
How does a pendulum demonstrate continuous energy transformation?
|
- Spotlight Integrated Science pg. 135
- String - Bob - Retort stand |
- Practical assessment
- Observation
- Oral questions
|
|
| 10 | 5 |
Force and Energy
|
Energy transformation - Using a pendulum
|
By the end of the
lesson, the learner
should be able to:
- Demonstrate energy transformation using a pendulum - Explain the continuous transformation between potential and kinetic energy - Connect pendulum motion to playground swings and clock mechanisms |
- Set up a simple pendulum
- Observe and discuss energy transformation at different points - Record the energy changes at points A, B and C |
How does a pendulum demonstrate continuous energy transformation?
|
- Spotlight Integrated Science pg. 135
- String - Bob - Retort stand |
- Practical assessment
- Observation
- Oral questions
|
|
| 11 | 1 |
Force and Energy
|
Energy transformation in appliances - Gas cylinder and electric cooker
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in gas cylinders and electric cookers - Compare energy transformations in different cooking appliances - Connect these transformations to kitchen activities at home |
- Study pictures of gas cylinder and electric cooker
- Discuss the energy transformations that occur when in use - Compare the energy changes in both appliances |
How do different cooking appliances transform energy?
|
- Spotlight Integrated Science pg. 138
- Charts showing appliances - Digital resources |
- Oral questions
- Written assignments
- Observation
|
|
| 11 | 2-3 |
Force and Energy
|
Energy transformation in appliances - Gas cylinder and electric cooker
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in gas cylinders and electric cookers - Compare energy transformations in different cooking appliances - Connect these transformations to kitchen activities at home |
- Study pictures of gas cylinder and electric cooker
- Discuss the energy transformations that occur when in use - Compare the energy changes in both appliances |
How do different cooking appliances transform energy?
|
- Spotlight Integrated Science pg. 138
- Charts showing appliances - Digital resources |
- Oral questions
- Written assignments
- Observation
|
|
| 11 | 4 |
Force and Energy
|
Energy transformation in appliances - Generators and dynamos
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in diesel generators - Describe how a bicycle dynamo works - Relate generators to power supply during blackouts |
- Study pictures of diesel generator and bicycle dynamo
- Discuss the energy transformations in each appliance - Identify the input and output energy forms |
How do generators provide electricity during power outages?
|
- Spotlight Integrated Science pg. 138
- Bicycle with dynamo - Charts - Digital resources |
- Oral questions
- Observation
- Written questions
|
|
| 11 | 5 |
Force and Energy
|
Energy transformation in appliances - Generators and dynamos
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in diesel generators - Describe how a bicycle dynamo works - Relate generators to power supply during blackouts |
- Study pictures of diesel generator and bicycle dynamo
- Discuss the energy transformations in each appliance - Identify the input and output energy forms |
How do generators provide electricity during power outages?
|
- Spotlight Integrated Science pg. 138
- Bicycle with dynamo - Charts - Digital resources |
- Oral questions
- Observation
- Written questions
|
|
| 12 | 1 |
Force and Energy
|
Energy transformation in appliances - Solar panels and microphones
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in solar panels - Describe how microphones work - Connect solar energy to sustainable power solutions at home |
- Study pictures of solar panels and microphones
- Discuss the energy transformations in each device - Search the Internet for more applications |
How do solar panels help us harness the sun's energy?
|
- Spotlight Integrated Science pg. 138
- Charts - Digital resources - Internet access |
- Oral questions
- Written assignments
- Observation
|
|
| 12 | 2-3 |
Force and Energy
|
Energy transformation in appliances - Solar panels and microphones
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in solar panels - Describe how microphones work - Connect solar energy to sustainable power solutions at home |
- Study pictures of solar panels and microphones
- Discuss the energy transformations in each device - Search the Internet for more applications |
How do solar panels help us harness the sun's energy?
|
- Spotlight Integrated Science pg. 138
- Charts - Digital resources - Internet access |
- Oral questions
- Written assignments
- Observation
|
|
| 12 | 4 |
Force and Energy
|
Energy transformation in appliances - Electric heaters and LEDs
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in electric heaters - Describe how light emitting diodes (LEDs) work - Relate LEDs to energy-efficient lighting in homes and streets |
- Study pictures of electric heaters and LED torches
- Discuss the energy transformations in each device - Compare energy efficiency of different devices |
Why are LED bulbs preferred for lighting?
|
- Spotlight Integrated Science pg. 140
- LED torch - Electric heater - Charts |
- Oral questions
- Observation
- Written questions
|
|
| 12 | 5 |
Force and Energy
|
Energy transformation in appliances - Electric heaters and LEDs
|
By the end of the
lesson, the learner
should be able to:
- Explain energy transformation in electric heaters - Describe how light emitting diodes (LEDs) work - Relate LEDs to energy-efficient lighting in homes and streets |
- Study pictures of electric heaters and LED torches
- Discuss the energy transformations in each device - Compare energy efficiency of different devices |
Why are LED bulbs preferred for lighting?
|
- Spotlight Integrated Science pg. 140
- LED torch - Electric heater - Charts |
- Oral questions
- Observation
- Written questions
|
|
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