Mixtures, Elements and Compounds

Classes of Fire - Fire triangle components

By the end of the lesson, the learner should be able to:

- Identify the three components of fire triangle
- Explain the role of each component in fire
- Recognise fire hazards at home and take preventive measures

In groups, learners are guided to:
- Discuss possible causes of fire in nature
- Study the fire triangle diagram (oxygen, heat, fuel)
- Discuss the role of each component in the spread of fire

What are the components of the fire triangle?

- Spotlight Integrated Science Learner's Book pg. 69
- Charts showing fire triangle
- Digital resources

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Classes of Fire - Role of oxygen in combustion
Classes of Fire - Role of oxygen in spread of fire

By the end of the lesson, the learner should be able to:

- Explain the role of oxygen in combustion
- Demonstrate that fire needs oxygen to burn
- Apply knowledge to safety practices like not blocking ventilation

In groups, learners are guided to:
- Invert gas jar over lit candle and observe
- Compare with open-ended glass jar
- Discuss that combustion cannot take place without oxygen

Why does a candle go out when covered with a jar?

- Spotlight Integrated Science Learner's Book pg. 69
- Candles, gas jar
- Open-ended glass jar, lighter
- Spotlight Integrated Science Learner's Book pg. 70
- Pictures of forest fire
- Charts showing fire spread

- Practical assessment - Oral questions - Written tests

Mixtures, Elements and Compounds

Classes of Fire - Class A fires
Classes of Fire - Class B fires

By the end of the lesson, the learner should be able to:

- Identify Class A fires and their causes
- Describe materials that cause Class A fires
- Recognise fire risks from wood and paper at home and school

In groups, learners are guided to:
- Discuss Class A fires caused by combustible solid materials
- Identify materials such as wood, paper and textiles
- Use digital devices to search for more information on Class A fires

What materials cause Class A fires?

- Spotlight Integrated Science Learner's Book pg. 71
- Charts showing classes of fire
- Digital resources
- Spotlight Integrated Science Learner's Book pg. 73
- Pictures of flammable materials

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Classes of Fire - Class C and D fires
Classes of Fire - Class K fires

By the end of the lesson, the learner should be able to:

- Identify Class C fires involving electrical appliances
- Identify Class D fires involving combustible metals
- Practice electrical safety to prevent Class C fires at home

In groups, learners are guided to:
- Discuss Class C fires caused by live electrical appliances and faulty wires
- Discuss Class D fires involving combustible metals like magnesium, sodium and potassium
- Identify places where these classes of fire are likely to occur

What causes Class C and Class D fires?

- Spotlight Integrated Science Learner's Book pg. 73
- Charts showing classes of fire
- Pictures of electrical appliances
- Spotlight Integrated Science Learner's Book pg. 72
- Pictures of kitchen fires

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Classes of Fire - Control measures for Class A fires
Classes of Fire - Control measures for Class B fires

By the end of the lesson, the learner should be able to:

- Describe control measures for Class A fires
- Explain how water and fire blankets work
- Use water appropriately to put out small fires safely

In groups, learners are guided to:
- Discuss use of fire blankets to smother Class A fires
- Discuss how water lowers temperature to quench the flame
- Practice fire control measures with teacher's guidance

How do you control Class A fires?

- Spotlight Integrated Science Learner's Book pg. 73
- Fire blanket
- Water, fire bucket
- Fire extinguisher (for demonstration)
- Charts showing fire control

- Practical assessment - Oral questions - Observation

Mixtures, Elements and Compounds

Classes of Fire - Control measures for Class C and D fires
Classes of Fire - Control measures for Class K fires

By the end of the lesson, the learner should be able to:

- Describe control measures for Class C and D fires
- Explain importance of switching off electricity before fighting electrical fires
- Use appropriate fire extinguishers for different fire types

In groups, learners are guided to:
- Discuss switching off electricity supply for Class C fires
- Discuss use of dry powder extinguisher or CO₂ extinguisher
- Discuss use of dry powder extinguisher and sand for Class D fires

What is the first step when controlling electrical fires?

- Spotlight Integrated Science Learner's Book pg. 73
- Fire extinguisher (for demonstration)
- Fire bucket with sand
- Charts showing fire control
- Pictures of kitchen safety

- Oral questions - Written tests - Practical assessment

Mixtures, Elements and Compounds

Classes of Fire - Breaking the fire triangle
Classes of Fire - Practicing fire control measures

By the end of the lesson, the learner should be able to:

- Explain how to break the fire triangle to control fire
- Describe methods of removing heat, oxygen or fuel
- Apply fire triangle knowledge to emergency situations

In groups, learners are guided to:
- Discuss how to remove heat using water
- Discuss how to remove oxygen by smothering with sand or blanket
- Discuss how to remove fuel by creating fire breaks

How does breaking the fire triangle help control fire?

- Spotlight Integrated Science Learner's Book pg. 71
- Charts showing fire triangle
- Sand, blanket, water
- Spotlight Integrated Science Learner's Book pg. 74
- Fire extinguisher, fire blanket
- Sand bucket, water

- Oral questions - Written tests - Observation

Mixtures, Elements and Compounds

Classes of Fire - Dangers of fires in nature
Classes of Fire - Rights to safety information on flammable substances

By the end of the lesson, the learner should be able to:

- Describe dangers of fires to life and property
- Explain environmental impact of fires
- Take precautions to prevent fire accidents at home and school

In groups, learners are guided to:
- Discuss dangers of fires to human life and property
- Discuss environmental destruction caused by fires
- Discuss economic losses from fire accidents

What are the dangers of uncontrolled fires?

- Spotlight Integrated Science Learner's Book pg. 71
- Pictures of fire damage
- Digital resources
- Spotlight Integrated Science Learner's Book pg. 76
- Chemical containers with labels
- Pictures of warning signs

- Oral questions - Written assignments - Group discussions

Mixtures, Elements and Compounds

Classes of Fire - Creating awareness on flammable substances
Classes of Fire - Oxygen in respiration and medicine

By the end of the lesson, the learner should be able to:

- Create posters on fire safety
- Share fire safety information with others
- Promote fire safety awareness in the community

In groups, learners are guided to:
- Study the poster on flammable substances awareness
- Create posters with information on fire safety
- Display posters on school noticeboard

How can you create awareness about fire safety?

- Spotlight Integrated Science Learner's Book pg. 77
- Manila paper, markers
- Coloured pencils
- Spotlight Integrated Science Learner's Book pg. 78
- Pictures of oxygen use
- Digital resources

- Project assessment - Oral questions - Poster evaluation

Mixtures, Elements and Compounds

Classes of Fire - Oxygen in combustion and industry
Classes of Fire - Preparing oxygen using hydrogen peroxide

By the end of the lesson, the learner should be able to:

- Explain the role of oxygen in combustion
- Describe industrial uses of oxygen
- Relate oxygen to cooking and vehicle engines

In groups, learners are guided to:
- Discuss role of oxygen in burning fuels for cooking and engines
- Discuss use of oxygen in welding (oxy-acetylene flame)
- Discuss use of oxygen in steel making industry

How is oxygen used in industries?

- Spotlight Integrated Science Learner's Book pg. 79
- Pictures of welding, engines
- Digital resources
- Spotlight Integrated Science Learner's Book pg. 62
- Flat-bottomed flask, delivery tube
- Hydrogen peroxide, manganese (IV) oxide

- Oral questions - Written tests - Observation

Mixtures, Elements and Compounds
Living Things and their Environment
Living Things and their Environment
Living Things and their Environment

Classes of Fire - Physical and chemical properties of oxygen
The Cell - The light microscope
The Cell - Functions of microscope parts
The Cell - Use and care for a light microscope

By the end of the lesson, the learner should be able to:

- Describe physical properties of oxygen
- Demonstrate chemical properties of oxygen
- Test for oxygen using a glowing splint as done in laboratories

In groups, learners are guided to:
- Test colour and smell of oxygen (colourless, odourless)
- Test solubility of oxygen in water (slightly soluble)
- Test effect of oxygen on glowing splint (relights)
- Burn elements in oxygen and observe

What are the properties of oxygen gas?

- Spotlight Integrated Science Learner's Book pg. 65
- Gas jars of oxygen
- Wooden splints, elements (sodium, magnesium)
- Spotlight Integrated Science Learner's Book Grade 8 pg. 82
- Light microscope
- Charts showing parts of a microscope
- Digital devices
- Spotlight Integrated Science Learner's Book Grade 8 pg. 84
- Function charts
- Spotlight Integrated Science Learner's Book Grade 8 pg. 86
- Lens paper
- Microscope cover

- Practical assessment - Oral questions - Written assignments

Living Things and their Environment

The Cell - Using the light microscope
The Cell - Preparing plant cell specimens
The Cell - Observing plant cells
The Cell - Components of a plant cell

By the end of the lesson, the learner should be able to:

- Set up a light microscope for viewing specimens
- Adjust the mirror to reflect light onto the stage
- Show confidence in operating laboratory equipment

In groups, learners are guided to:
- Place microscope on bench with stage facing away
- Rotate nosepiece to position low power objective lens
- Adjust mirror to reflect light on stage
- Use coarse and fine adjustment knobs for focusing

What steps are followed when using a light microscope?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 87
- Light microscope
- Transparent paper with writings
- Glass slides
- Spotlight Integrated Science Learner's Book Grade 8 pg. 89
- Onion bulb
- Glass slides and cover slips
- Distilled water
- Forceps, scalpel, mounted needle
- Spotlight Integrated Science Learner's Book Grade 8 pg. 90
- Prepared onion slides
- Iodine solution
- Droppers
- Spotlight Integrated Science Learner's Book Grade 8 pg. 91
- Plant cell charts
- Carton box, manila paper
- Pencil colours
- Scissors, glue

- Practical assessment - Observation - Oral questions

Living Things and their Environment

The Cell - Observing animal cells
The Cell - Making animal cell models
The Cell - Functions of cell components

By the end of the lesson, the learner should be able to:

- Observe animal cells from permanent slides under a light microscope
- Draw and label components of an animal cell
- Relate animal cell study to understanding human body tissues

In groups, learners are guided to:
- Observe permanent slides of animal cells under light microscope
- Identify cell membrane, cytoplasm, and nucleus
- Draw well-labelled diagrams of animal cells
- Compare observations with reference materials

What components make up an animal cell as seen under a light microscope?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 93
- Light microscope
- Permanent slides of animal cells
- Lens paper
- Charts
- Spotlight Integrated Science Learner's Book Grade 8 pg. 94
- Carton box
- Manila papers
- Pencil colours
- Scissors, glue, scalpel
- Spotlight Integrated Science Learner's Book Grade 8 pg. 95
- Digital devices
- Reference books
- Crossword puzzle worksheets

- Drawing assessment - Observation - Written questions

Living Things and their Environment

The Cell - Functions of vacuole and tonoplast
The Cell - Similarities between plant and animal cells

By the end of the lesson, the learner should be able to:

- Describe the functions of the vacuole and tonoplast
- Explain how the vacuole stores cell sap
- Relate vacuole functions to why fruits are juicy and plants stay upright

In groups, learners are guided to:
- Discuss the role of vacuole in storing cell sap
- Explain how tonoplast regulates movement between vacuole and cytoplasm
- Draw diagrams showing vacuole position in plant cells
- Compare vacuole size in plant and animal cells

Why is the vacuole important in plant cells?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 96
- Plant cell diagrams
- Digital devices
- Reference materials
- Spotlight Integrated Science Learner's Book Grade 8 pg. 97
- Plant and animal cell models
- Comparison charts
- Digital devices

- Oral questions - Written assignments - Diagram labelling

Living Things and their Environment

The Cell - Differences between plant and animal cells
The Cell - Meaning of magnification

By the end of the lesson, the learner should be able to:

- Identify differences between plant and animal cells
- Explain why plant cells have cell walls and chloroplasts
- Connect cell differences to why plants can make food while animals cannot

In groups, learners are guided to:
- Study charts comparing plant and animal cells
- Complete a table showing differences in cell wall, chloroplasts, and vacuole
- Discuss why plants have chloroplasts for photosynthesis
- Present findings to classmates

Why do plant cells have structures that animal cells lack?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 98
- Comparison charts
- Reference books
- Digital devices
- Spotlight Integrated Science Learner's Book Grade 8 pg. 99
- Magnification pictures
- Digital devices
- Light microscope

- Table completion - Oral presentation - Written test

Living Things and their Environment

The Cell - Calculating magnification
The Cell - Solving magnification problems

By the end of the lesson, the learner should be able to:

- Calculate the total magnification of a light microscope
- Record magnification power of different objective lenses
- Apply mathematical skills to solve scientific problems

In groups, learners are guided to:
- Read magnification power of eyepiece and objective lenses
- Multiply eyepiece magnification by objective lens magnification
- Calculate total magnification at low, medium, and high power
- Solve problems involving magnification calculations

How do we calculate the total magnification of a microscope?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 100
- Light microscope
- Exercise books
- Calculators
- Problem worksheets
- Calculators
- Exercise books

- Calculation exercises - Written test - Oral questions

Living Things and their Environment

The Cell - Uses of light microscope in healthcare
The Cell - Uses of light microscope in research and industry

By the end of the lesson, the learner should be able to:

- Explain uses of the light microscope in healthcare
- Describe how microscopes help identify diseases
- Relate microscope use to hospital laboratory work and disease diagnosis

In groups, learners are guided to:
- Discuss how scientists use microscopes to study micro-organisms
- Explain how laboratory professionals identify diseases using microscopes
- Search the Internet for information on microscope uses in medicine
- Write notes on healthcare applications

How do light microscopes contribute to healthcare?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 101
- Digital devices
- Reference books
- Healthcare posters
- Spotlight Integrated Science Learner's Book Grade 8 pg. 102
- Reference materials
- Assessment worksheets

- Written notes - Oral presentation - Research assessment

Living Things and their Environment

The Cell - End of sub-strand assessment
Structure of the cell membrane
Properties of the cell membrane
Effects of heat on cell membrane - Potato experiment

By the end of the lesson, the learner should be able to:

- Complete assessment on The Cell sub-strand
- Demonstrate understanding of cell components and their functions
- Show confidence in applying cell knowledge

In groups, learners are guided to:
- Complete written assessment on cells
- Draw and label plant and animal cells
- Calculate magnification problems
- Receive feedback and corrections

How well have we understood the concepts of the cell?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 103
- Assessment papers
- Drawing materials
- Exercise books
- Spotlight Integrated Science Learner's Book Grade 8 pg. 104
- Liquid soap, water, sugar
- Straws, cotton thread
- Shallow tray
- Spotlight Integrated Science Learner's Book Grade 8 pg. 107
- Cell membrane diagrams
- Digital devices
- Reference books
- Spotlight Integrated Science Learner's Book Grade 8 pg. 108
- Potatoes, cork borer
- Concentrated sugar solution
- Beakers, petri dishes

- End of topic test - Drawing assessment - Calculation test

Living Things and their Environment

Effects of heat on cell membrane - Beetroot experiment
Effects of dilute acids and alkalis on cell membrane
Demonstrating diffusion using perfume
Role of diffusion in gaseous exchange

By the end of the lesson, the learner should be able to:

- 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

In groups, learners are guided to:
- 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

Why does beetroot release more colour at higher temperatures?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 109
- Beetroot, cork borer
- Water baths, thermometers
- Boiling tubes, test tube rack
- Spotlight Integrated Science Learner's Book Grade 8 pg. 111
- Beetroot cores
- Dilute HCl, dilute NaOH
- Test tubes, syringes
- Spotlight Integrated Science Learner's Book Grade 8 pg. 113
- Perfume or deodorant spray
- Stopwatch
- Notebooks
- Spotlight Integrated Science Learner's Book Grade 8 pg. 114
- Gaseous exchange diagrams
- Digital devices
- Reference books

- Practical assessment - Data recording - Written analysis

Living Things and their Environment

Role of diffusion in absorption and plants
Factors affecting diffusion
Demonstrating osmosis using visking tubing

By the end of the lesson, the learner should be able to:

- 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

In groups, learners are guided to:
- 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 do living things use diffusion for nutrition?

- Spotlight Integrated Science Learner's Book Grade 8 pg. 115
- Plant diagrams
- Digital devices
- Reference materials
- Spotlight Integrated Science Learner's Book Grade 8 pg. 116
- Reference books
- Charts
- Spotlight Integrated Science Learner's Book Grade 8 pg. 118
- Visking tubing
- Concentrated sugar solution
- Distilled water, beaker

- Written summary - Oral presentation - Observation

Living Things and their Environment

Demonstrating osmosis using Irish potato
Demonstrating osmosis using banana peel strips

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

In groups, learners are guided to:
- 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
- Spotlight Integrated Science Learner's Book Grade 8 pg. 121
- Raw green banana peel
- Concentrated salt solution
- Beakers, scalpel

- Data recording - Measurement accuracy - Written analysis

Living Things and their Environment

Factors affecting osmosis
Role of osmosis in water absorption and stomata

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

In groups, learners are guided to:
- 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
- Spotlight Integrated Science Learner's Book Grade 8 pg. 124
- Plant diagrams
- Reference materials

- Oral questions - Written notes - Group presentation

Living Things and their Environment

Role of osmosis in osmoregulation and plant support
Importance of diffusion and osmosis

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

In groups, learners are guided to:
- 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
- Spotlight Integrated Science Learner's Book Grade 8 pg. 126
- Assessment worksheets
- Reference materials

- Observation records - Written explanation - Oral questions

Living Things and their Environment

Introduction to the menstrual cycle
Phases of the menstrual cycle
Ovulation and luteal phase
Irregular periods and bleeding
Menstrual pain and discomfort
Managing menstrual cycle challenges
Menstrual hygiene management

By the end of the lesson, the learner should be able to:

- Define the menstrual cycle
- State the average duration of the menstrual cycle
- Recognise menstruation as a normal biological process for females

In groups, learners are guided to:
- Search print or non-print media for information on the menstrual cycle
- Discuss the meaning and purpose of the menstrual cycle
- Explain that the cycle prepares the body for possible pregnancy
- Write notes on the menstrual cycle

What is the menstrual cycle and why does it occur?

- Spotlight Integrated Science Learner's Book Grade 8
- Digital devices
- Reference books
- Charts on menstrual cycle
- Menstrual cycle diagrams
- Charts
- Ovulation charts
- Reference materials
- Health education materials
- Health education charts
- Health education materials
- Planning worksheets
- Sanitary products samples
- Digital devices

- Oral questions - Written notes - Group discussion