Scientific Investigation

Introduction to Integrated Science - What is Integrated Science?

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

- Define Integrated Science as a combined study of Biology, Chemistry and Physics
- Distinguish the three components of Integrated Science using examples
- Show interest in Integrated Science as a field of study

In groups, learners are guided to:
- Study a table showing how different fields of science relate to one topic and discuss the meaning of Integrated Science
- Use digital or print media to search for meanings of Biology, Chemistry and Physics
- Write short notes on the components and share for peer review

What makes Integrated Science different from studying Biology, Chemistry or Physics separately?

- Spotlight Integrated Science pg. 2
- Digital resources
- Reference books

- Oral questions - Observation - Peer assessment

Scientific Investigation

Introduction to Integrated Science - Components of Integrated Science
Introduction to Integrated Science - Importance of science in daily life
Introduction to Integrated Science - Science in health, agriculture and industry
Introduction to Integrated Science - Science in food, textile, transport and careers

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

- Name the three components of Integrated Science — Biology, Chemistry and Physics
- Explain the meaning of each component as a distinct field of science
- Appreciate the interconnected nature of the three science components

In groups, learners are guided to:
- Solve a word puzzle to find the names Biology, Physics and Chemistry
- Read a class discussion dialogue and answer questions on the meaning of each component
- Write and share short notes on the meaning of each component for peer assessment

How do Biology, Chemistry and Physics combine to form one learning area called Integrated Science?

- Spotlight Integrated Science pg. 3
- Digital resources
- Reference books
- Spotlight Integrated Science pg. 5
- Household items for reference
- Spotlight Integrated Science pg. 7
- Personal journals
- Spotlight Integrated Science pg. 9

- Written assignments - Oral questions - Peer assessment

Scientific Investigation

Introduction to Integrated Science - STEM pathway and career tracks at Senior School
Introduction to Integrated Science - Career opportunities related to science

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

- Identify STEM as the Senior School pathway related to Integrated Science
- Describe the four career tracks within STEM — Pure Sciences, Applied Sciences, Technical Studies and Engineering
- Show interest in planning for a science career

In groups, learners are guided to:
- Use a career pathway chart to trace the STEM path and write notes on each of the four tracks
- Use digital or print media to search for information on STEM pathways
- Share career profiles related to science and discuss desired future careers with classmates

Why is it important to understand career pathways when studying Integrated Science in Grade 7?

- Spotlight Integrated Science pg. 11
- Career pathway charts
- Digital resources
- Spotlight Integrated Science pg. 12
- Manila paper, scissors, glue

- Oral questions - Written assignments - Observation

Scientific Investigation

Laboratory Safety - Common laboratory hazards and their symbols
Laboratory Safety - Meanings and examples of hazard symbols

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

- Identify common laboratory hazards — fire, corrosive chemicals, toxic fumes, radioactive substances and flammable materials
- Recognise and draw the symbols used to represent each hazard
- Show awareness of the importance of recognising hazard symbols before handling chemicals

In groups, learners are guided to:
- Visit the school laboratory wearing protective clothing and identify hazard symbols on chemical containers
- Draw at least five hazard symbols and write their meanings in exercise books
- Use a web link to search for additional information on laboratory hazard symbols and share findings

Why is it essential to recognise hazard symbols before you touch any chemical in the laboratory?

- Spotlight Integrated Science pg. 17
- Hazard symbol charts
- Digital resources
- Protective clothing
- Spotlight Integrated Science pg. 18
- Household chemical containers

- Observation - Oral questions - Written assignments

Scientific Investigation

Laboratory Safety - Common accidents and their causes
Laboratory Safety - Preventing common laboratory accidents

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

- Identify common laboratory accidents — cuts, burns, scalds, falls, ingestion and electric shock
- State the specific causes of each type of laboratory accident
- Show concern for personal and peer safety during practical activities

In groups, learners are guided to:
- Solve a word puzzle to identify accidents — burns, scalds, cuts, falls, explosion and electric shock
- Read and analyse a school laboratory accident report and state the cause of each accident described
- Write short notes summarising accident causes and share for peer assessment

What habits in the laboratory make accidents most likely, and how can those habits be changed?

- Spotlight Integrated Science pg. 21
- Reference books
- Digital resources
- Spotlight Integrated Science pg. 22
- Safety rule charts

- Oral questions - Written assignments - Observation

Scientific Investigation

Laboratory Safety - First Aid kit items and their uses
Laboratory Safety - First Aid procedures for burns, scalds and cuts

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

- Identify items found in a First Aid kit — gloves, scissors, bandages, antiseptic, cotton wool, painkillers and safety pin
- State the specific use of each First Aid kit item
- Show willingness to use First Aid knowledge to help others in an emergency

In groups, learners are guided to:
- Use digital media to search for First Aid measures for laboratory accidents — cuts, burns, scalds and ingestion
- Study and complete a table listing First Aid kit items and their uses
- Discuss when and how First Aid should be given before taking a victim to hospital

Why must you give First Aid immediately after a laboratory accident rather than waiting for medical help?

- Spotlight Integrated Science pg. 24
- First Aid kit
- Digital resources
- Spotlight Integrated Science pg. 25
- First Aid kit materials
- Reference books

- Oral questions - Observation - Written assignments

Scientific Investigation

Laboratory Safety - First Aid for ingestion of harmful substances

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

- State the correct First Aid procedure for ingestion of a harmful substance in the laboratory
- Distinguish between the approach for a responding and a non-responding victim
- Show responsibility by alerting an adult immediately when a poisoning incident occurs

In groups, learners are guided to:
- Read and discuss flash cards describing First Aid steps for a responding and non-responding ingestion victim
- Arrange First Aid procedure steps in the correct order for an ingestion incident
- Share ingestion First Aid knowledge with family members as a community service activity

What is the most important first step when a classmate accidentally swallows a harmful substance in the laboratory?

- Spotlight Integrated Science pg. 27
- Digital resources
- Reference books

- Oral questions - Written assignments - Observation

Scientific Investigation

Laboratory Safety - Safety measures in the laboratory and school environment
Laboratory Safety - Importance of laboratory safety measures

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

- List safety measures observed in the laboratory and general school environment
- Explain the importance of each safety measure in preventing accidents
- Practise safety measures consistently in school and laboratory settings

- Study pictures of learners in a laboratory and identify safe and unsafe practices shown
- Write a reply letter to a learner joining the laboratory for the first time advising on safety
- Take a school environment walk and observe safety measures in classrooms, kitchen, library and school bus

Why does observing safety in the laboratory also matter in the wider school environment?

- Spotlight Integrated Science pg. 30
- Safety posters
- Digital resources
- Spotlight Integrated Science pg. 33
- Safety rule charts

- Observation - Written assignments - Oral questions

Scientific Investigation

Laboratory Safety - End of sub-strand assessment
Laboratory Apparatus and Instruments - Meaning of basic science skills

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

- Demonstrate understanding of hazards, accident causes, First Aid and safety measures
- Apply First Aid and safety knowledge to both written and practical tasks
- Show confidence in discussing and applying laboratory safety knowledge

In groups, learners are guided to:
- Match hazard symbols to meanings using Assessment Activity 1.2
- Respond to written questions on accident causes, First Aid steps and safety rules
- Discuss responses with peers and confirm correct answers with teacher

How confidently can you respond to a laboratory safety emergency after completing this sub-strand?

- Spotlight Integrated Science pg. 35
- Learner exercise books
- First Aid kit
- Spotlight Integrated Science pg. 37
- Digital resources
- Reference books

- Written test - Oral questions - Observation

Scientific Investigation

Laboratory Apparatus and Instruments - Applying basic skills in a practical activity

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

- Apply basic science skills during a filtration experiment using water and sand
- Identify which specific skills are used before, during and after the experiment
- Show accuracy and care when handling laboratory apparatus during the activity

In groups, learners are guided to:
- Carry out the filtration experiment using filter paper, measuring cylinder, electronic balance, funnel, beaker, sand and water
- Record observations and complete a table showing science skills applied at each stage
- Present findings on applied science skills to classmates for peer learning

Which basic science skills are most important at the start of an experiment, and why?

- Spotlight Integrated Science pg. 39
- Filter paper, beaker, measuring cylinder, sand, water, electronic balance, funnel
- Reference books

- Practical assessment - Observation - Oral questions

Scientific Investigation

Laboratory Apparatus and Instruments - Apparatus for measuring volume
Laboratory Apparatus and Instruments - Practising use and care of volume-measuring apparatus

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

- Identify apparatus for measuring volume — pipette, burette, measuring cylinder, volumetric flask, syringe, graduated beaker and Eureka can
- State the specific use of each volume-measuring apparatus
- Show care when handling glass apparatus to prevent breakages and cuts

In groups, learners are guided to:
- Visit the school laboratory and observe volume-measuring apparatus with guidance from teacher or lab technician
- Draw, name and write the use of each volume-measuring apparatus in exercise books
- Use digital media to identify any additional volume-measuring apparatus

How do scientists ensure accurate volume measurements when carrying out experiments?

- Spotlight Integrated Science pg. 42
- Burette, pipette, measuring cylinder, volumetric flask, graduated beaker
- Digital resources
- Spotlight Integrated Science pg. 44
- Measuring cylinder, graduated beaker, burette, pipette, volumetric flask, distilled water, drying rack

- Observation - Oral questions - Written assignments

Scientific Investigation

Laboratory Apparatus and Instruments - Apparatus for measuring mass and weight
Laboratory Apparatus and Instruments - Apparatus for measuring temperature and length

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

- Identify apparatus for measuring mass and weight — electronic balance, top pan balance, beam balance and spring balance
- State the use and the difference between measuring mass and measuring weight
- Show care when handling sensitive balance instruments

In groups, learners are guided to:
- Identify apparatus for measuring mass and weight from pictures and a laboratory visit
- Draw and name the apparatus used to measure mass and weight and write the use of each
- Practise using a spring balance by hanging a stone on a string and reading the weight

What is the difference between mass and weight, and which apparatus measures each correctly?

- Spotlight Integrated Science pg. 50
- Electronic balance, spring balance, beam balance
- Digital resources
- Spotlight Integrated Science pg. 53
- Thermometer, metre rule, tape measure, tripod stand, wire gauze, heat source

- Observation - Oral questions - Written assignments

Scientific Investigation

Laboratory Apparatus and Instruments - Heating apparatus and parts of a Bunsen burner
Laboratory Apparatus and Instruments - Practising use and care of the Bunsen burner

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

- Identify sources of heat in the laboratory — Bunsen burner, spirit lamp, candle, kerosene stove, electric hot plate and heating mantle
- Name and state the function of each part of a Bunsen burner
- Show caution when lighting and handling a Bunsen burner

In groups, learners are guided to:
- Study pictures of heating apparatus and identify the name and use of each heat source
- Use a diagram to identify and label parts of a Bunsen burner — gas inlet, base, gas jet, chimney, air hole and collar
- Complete a table matching each Bunsen burner part to its stated function

How does adjusting the air hole of a Bunsen burner change the type of flame produced?

- Spotlight Integrated Science pg. 60
- Bunsen burner diagram chart
- Digital resources
- Spotlight Integrated Science pg. 61
- Bunsen burner, tripod stand, wire gauze, beaker, tongs, matchsticks, distilled water

- Oral questions - Written assignments - Observation

Scientific Investigation

Laboratory Apparatus and Instruments - The light microscope and its care

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

- Identify parts of a light microscope and state the function of each part — eyepiece, objective lens, stage, mirror, arm, base and fine adjustment knob
- Demonstrate correct care and handling of a light microscope
- Appreciate why the microscope is handled with exceptional care

- Observe a real light microscope and identify and name its parts using a labelled diagram
- Draw a well-labelled diagram of a light microscope in exercise books
- Read a teacher-learner conversation on microscope care and write notes on how to use, carry and store it

Why are light microscopes considered very expensive and how should that affect the way you handle them?

- Spotlight Integrated Science pg. 67
- Light microscope or model, labelled diagram chart
- Digital resources

- Observation - Oral questions - Written assignments

Scientific Investigation

Laboratory Apparatus and Instruments - Other laboratory apparatus and their uses
Laboratory Apparatus and Instruments - Introduction to SI units and basic quantities

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

- Identify and name other laboratory apparatus — evaporating dish, crucible, gas jar, spatula, forceps, tongs, wire gauze, tripod stand, wash bottle, test tube holder, deflagrating spoon and boiling tube
- State the correct use of each apparatus
- Classify all laboratory apparatus studied by their function

In groups, learners are guided to:
- Study a full set of apparatus pictures (A to X) and identify and name each one
- Classify all identified apparatus into groups by use — measuring, heating, holding and supporting
- Complete Assessment Activity 1.3 questions on identifying and classifying apparatus

How does knowing the correct use and care of each apparatus make you a safer and more effective scientist?

- Spotlight Integrated Science pg. 73
- Laboratory apparatus charts
- Digital resources
- Spotlight Integrated Science pg. 75
- Electronic balance, stopwatch

- Written assignments - Oral questions - Observation

Scientific Investigation

Laboratory Apparatus and Instruments - Measuring basic quantities using SI units
Laboratory Apparatus and Instruments - Derived quantities and consumer protection

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

- Measure length of regular and curved surfaces using a metre rule and record in metres
- Measure temperature of ice cubes, lukewarm water and hot water using a thermometer and convert to kelvin
- Measure electric current in a simple circuit using an ammeter and record in amperes

In groups, learners are guided to:
- Measure and record the length, width and height of a wooden block, carton box and textbook in metres
- Measure temperature of ice cubes, lukewarm water and hot water and convert readings to kelvin using K = °C + 273
- Connect a simple circuit with a dry cell, bulb, switch and ammeter and read and record current in amperes

How do you convert a temperature reading in degree Celsius to the correct SI unit of kelvin?

- Spotlight Integrated Science pg. 79
- Metre rule, thermometer, ammeter, connecting wires, dry cell, bulb, switch
- Digital resources
- Spotlight Integrated Science pg. 92
- Product packaging labels, metre rule, stopwatch

- Practical assessment - Observation - Written assignments

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Introduction to acids and bases
Acids, Bases and Indicators - Classifying solutions using litmus paper

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

- Identify common examples of acids — lemon juice, fermented milk, ginger extract — and bases — baking powder solution
- Explain why tasting is not a safe method of identifying acids and bases in the laboratory
- Show awareness of the importance of using safe methods when classifying substances as acids or bases

In groups, learners are guided to:
- Study pictures of a lemon, ginger, fermented milk and baking powder and discuss which are acidic and which are basic based on taste
- Discuss why tasting is not safe in the laboratory and identify alternative safe methods of classification
- Write short notes on the meaning of acids and bases and share for peer review

Why is it unsafe to taste substances in the laboratory in order to identify them as acids or bases?

- Spotlight Integrated Science pg. 118
- Digital resources
- Reference books
- Spotlight Integrated Science pg. 119
- Lemon juice, measuring cylinder, ginger extract, fermented milk, baking powder solution, labels, test tube rack, test tubes, blue litmus papers, red litmus papers

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Classifying household solutions as acidic or basic

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

- Use litmus papers to classify household solutions — orange juice, vinegar, soap solution, wood ash solution, toothpaste, antacid, distilled water, bleach, common salt and sugar solution — as acidic, basic or neutral
- Explain that neutral solutions cause no colour change in either litmus paper
- Show care when handling household chemicals in the laboratory

In groups, learners are guided to:
- Measure 3 cm³ of orange juice and dip red and blue litmus papers, record colour changes in Table 2.10
- Repeat using all other household solutions and record observations for each
- Discuss results and classify each solution as acidic, basic or neutral based on colour changes

What household substances are acidic or basic, and why is it important to know this?

- Spotlight Integrated Science pg. 120
- Orange juice, vinegar, soap solution, wood ash solution, toothpaste solution, antacid solution, fermented milk, distilled water, bleach, common salt solution, sugar solution, test tubes, droppers, test tube rack, measuring cylinder, red and blue litmus papers
- Digital resources

- Practical assessment - Observation - Oral questions

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Preparing and using a plant extract indicator
Acids, Bases and Indicators - Physical properties of acids and bases

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

- Prepare an acid-base indicator from hibiscus flower petals using propanone and filtration
- Use the prepared plant extract to classify household solutions as acidic, basic or neutral
- Show environmental awareness by plucking only the flower petals needed and safely disposing of plant remains

In groups, learners are guided to:
- Cut hibiscus flower petals into small pieces, grind in a mortar with propanone, filter the coloured extract into a beaker
- Add two drops of the plant extract to test tubes containing lemon juice, soap solution, wood ash solution, orange juice, vinegar and other household solutions and record the colour changes in Table 2.11
- Compare colour changes with litmus paper results and discuss which solutions are acidic, basic or neutral

How does a plant extract work as an acid-base indicator, and how does it compare to litmus paper?

- Spotlight Integrated Science pg. 121
- Hibiscus flowers, scalpel, mortar, pestle, propanone, filter funnel, beakers, test tubes, droppers, test tube rack, measuring cylinder, household solutions
- Digital resources
- Spotlight Integrated Science pg. 123
- Fermented milk, lemon juice, ginger extract, clean spoons, digital resources
- Reference books

- Practical assessment - Observation - Written assignments

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Investigating physical properties using litmus and corrosiveness
Acids, Bases and Indicators - Electrical conductivity of acids and bases

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

- Investigate the effect of dilute sulphuric acid and dilute sodium hydroxide on red and blue litmus papers
- Record observations on the colour changes produced by acids and bases in litmus papers
- Appreciate the importance of handling corrosive acids and bases with protective clothing and care

In groups, learners are guided to:
- Measure 2 cm³ of dilute sulphuric acid into a test tube, dip red and blue litmus papers and record colour changes in Table 2.12
- Repeat using dilute sodium hydroxide solution and record colour changes
- Discuss and summarise the physical properties of acids and bases from all practical observations

How do the colour changes in litmus paper confirm the physical properties of an acid or a base?

- Spotlight Integrated Science pg. 124
- Red and blue litmus papers, droppers, dilute sulphuric acid, dilute sodium hydroxide, test tubes, test tube rack, measuring cylinder, protective clothing
- Digital resources
- Spotlight Integrated Science pg. 125
- Measuring cylinder, glass beaker, rubber cork, connecting wire, dry cell, switch, graphite rods, dilute sulphuric acid, dilute sodium hydroxide, distilled water

- Practical assessment - Observation - Written assignments

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Introduction to applications of acids, bases and indicators

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

- Identify common examples of acids, bases and indicators used in daily life — vinegar, toothpaste, fertiliser, car battery, antacid tablets and soil indicators
- Link each substance to a specific acid, base or indicator
- Show curiosity about the scientific basis of everyday substances

In groups, learners are guided to:
- Study pictures of vinegar, toothpaste, fertiliser, car battery, antacid tablets and discuss which contain acids, bases or indicators
- Use digital or print media to search for applications of acids, bases and indicators and write findings in exercise books
- Share findings with classmates for peer assessment

How do acids and bases play a role in substances and activities you encounter every day?

- Spotlight Integrated Science pg. 126
- Digital resources
- Reference books
- Pictures of acids, bases and indicator products

- Oral questions - Written assignments - Peer assessment

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Discussing applications of acids and bases
Acids, Bases and Indicators - Investigating use of indicators in real life

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

- Describe specific applications of acids and bases in real life — wood ash for removing bad smell, antacid tablets for acidity, lime for neutralising soil
- Apply knowledge of acids and bases to explain the scenarios shown in pictures and discussion cards
- Appreciate the practical value of acids and bases in solving everyday problems

In groups, learners are guided to:
- Study pictures of Patrick using wood ash and Nimo taking antacid tablets and explain the role of acids or bases in each scenario
- Discuss other applications of acids and bases at home, in agriculture and in medicine
- Write short notes on applications of acids and bases in at least four real-life contexts and share for peer review

How does knowing whether a substance is an acid or a base help you make better decisions in daily life?

- Spotlight Integrated Science pg. 127
- Digital resources
- Reference books
- Spotlight Integrated Science pg. 128
- Four soil samples, electronic balance, conical flasks, droppers, filter funnel, filter paper, measuring cylinder, beaker, red and blue litmus papers

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Indicator practical results and conclusions
Acids, Bases and Indicators - Summarising uses of acids, bases and indicators

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

- Interpret results from the soil indicator practical and draw conclusions about soil acidity
- Explain that soil can become acidic over time and describe how lime is used to neutralise acidic soil
- Show concern for sustainable farming practices by linking soil acidity to crop health

- Discuss practical activity results — which soil samples turned litmus paper red or blue — and draw a conclusion table
- Read the points to note summarising what learners observed about filtrate colour and soil acidity
- Answer discussion questions on how indicators can be used in real life to prevent soil acidification and crop loss

What should a farmer do after discovering that the soil on their farm is too acidic, and why?

- Spotlight Integrated Science pg. 129
- Learner exercise books
- Digital resources
- Reference books
- Spotlight Integrated Science pg. 130

- Oral questions - Written assignments - Peer assessment

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Uses of acids, bases and indicators flash cards
Acids, Bases and Indicators - End of sub-strand assessment

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

- Apply knowledge of uses of acids, bases and indicators to create informative flash cards
- Recall at least three uses each of acids, bases and indicators from the summary points to note
- Show creativity and communication skills when designing and presenting flash cards

In groups, learners are guided to:
- Read flash cards from Ken, Brenda and Ritah describing uses of indicators in farming, acids in car batteries and bases in antacids
- Create personal flash cards appreciating at least one use each of acids, bases and indicators in daily life
- Display flash cards at the Integrated Science corner and present to classmates

Why do you think it is important for a Grade 7 learner to know the uses of acids, bases and indicators in real life?

- Spotlight Integrated Science pg. 131
- Flash card materials — cardboard, markers
- Digital resources
- Spotlight Integrated Science pg. 132
- Learner exercise books

- Peer assessment - Oral questions - Observation

Living Things and the Environment

Human Reproductive System - Parts of the male reproductive system
Human Reproductive System - Parts of the female reproductive system
Human Reproductive System - Functions of the male reproductive system

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

- Identify the parts of the male human reproductive system (penis, testis, urethra, sperm duct, glands, scrotum)
- State the location of each part
- Show respect when learning about the human body

In groups, learners are guided to:
- Use charts to observe and identify parts of the male reproductive system
- Draw and label the male reproductive system in exercise books
- Peer-review labelled diagrams

What parts make up the male human reproductive system?

- Spotlight Integrated Science pg. 135
- Charts showing male reproductive system
- Exercise books
- Spotlight Integrated Science pg. 136
- Charts showing female reproductive system
- Spotlight Integrated Science pg. 137
- Charts
- Reference books

- Observation - Oral questions

Living Things and the Environment

Human Reproductive System - Functions of the female reproductive system
Human Reproductive System - Adolescence: meaning and onset
Human Reproductive System - Physical changes in boys during adolescence
Human Reproductive System - Physical changes in girls during adolescence

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

- State the function of each part of the female reproductive system
- Explain how the parts work together during reproduction
- Show interest in understanding body systems

In groups, learners are guided to:
- Use print or digital media to search for functions of parts of the female reproductive system
- Complete a table matching parts to their functions
- Discuss findings with classmates

What is the function of each part of the female reproductive system?

- Spotlight Integrated Science pg. 138
- Charts
- Reference books
- Spotlight Integrated Science pg. 141
- Internet access
- Spotlight Integrated Science pg. 142
- Spotlight Integrated Science pg. 143

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Physical challenges during adolescence
Human Reproductive System - Social and emotional challenges during adolescence

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

- Identify physical challenges that adolescents experience (pimples, sweating, body odour)
- Explain how each physical challenge can be managed
- Show self-awareness when discussing personal changes

In groups, learners are guided to:
- Discuss physical challenges and practical ways to manage them
- Compile a list of personal hygiene practices for adolescents
- Share and peer-review management strategies

What physical challenges do adolescents face and how can they manage them?

- Spotlight Integrated Science pg. 144
- Reference books
- Internet access
- Spotlight Integrated Science pg. 145

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Managing developmental challenges
Human Reproductive System - Developing a plan to manage challenges

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

- Describe practical ways of managing developmental challenges during adolescence
- Explain the importance of seeking guidance from trusted adults
- Show confidence in discussing ways to manage challenges

In groups, learners are guided to:
- Discuss ways of managing developmental challenges (seeking help from trusted adults, exercising, good hygiene)
- Use print or digital media for additional strategies
- Share and peer-review management plans

How can adolescents manage the developmental challenges they face?

- Spotlight Integrated Science pg. 146
- Reference books
- Charts
- Spotlight Integrated Science pg. 147
- Plan template
- Exercise books

- Oral questions - Observation

Living Things and the Environment

Human Reproductive System - Social and reproductive implications of adolescence
Human Reproductive System - Review and assessment

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

- Recognise that physical changes during adolescence have social and reproductive implications
- Explain how adolescence prepares the body for reproduction
- Show self-discipline and responsibility in managing adolescent changes

In groups, learners are guided to:
- Discuss how physical changes during adolescence relate to social roles and reproductive maturity
- Use print or digital media to search for information on reproductive implications
- Discuss the importance of self-discipline during adolescence

What are the social and reproductive implications of physical changes during adolescence?

- Spotlight Integrated Science pg. 149
- Reference books
- Internet access
- Spotlight Integrated Science pg. 150
- Assessment papers
- Exercise books

- Oral questions - Written assignments

Living Things and the Environment

Human Excretory System - Introduction to excretion
Human Excretory System - Parts of the human skin I

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

- Define excretion and state its importance to the body
- Identify the organs involved in the human excretory system (skin, lungs, kidneys)
- Show curiosity about how the body removes waste products

In groups, learners are guided to:
- Discuss the meaning of excretion and the waste products the body must remove
- Identify the organs of excretion and list the waste each removes
- Use charts to observe the excretory organs

What is excretion and why is it important to the body?

- Spotlight Integrated Science pg. 153
- Charts showing excretory organs
- Reference books
- Spotlight Integrated Science pg. 154
- Charts showing skin cross-section
- Hand lens

- Oral questions - Observation

Living Things and the Environment

Human Excretory System - Functions of parts of the human skin II

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

- State the function of each part of the human skin
- Explain how sweat glands, ducts, and pores work together to excrete sweat
- Show care for the skin as an important organ

In groups, learners are guided to:
- Complete a table matching parts of the skin to their functions
- Discuss how the skin excretes waste products through sweat
- Use the course book to verify functions of skin parts

What is the function of each part of the human skin?

- Spotlight Integrated Science pg. 155
- Function table
- Reference books

- Written assignments - Oral questions

Living Things and the Environment

Human Excretory System - Waste products from the skin and lungs
Human Excretory System - Parts of the urinary system

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

- State the waste products excreted through the skin (excess water, salts, urea in sweat)
- Describe the waste product excreted through the lungs (carbon IV oxide)
- Show interest in understanding how the body manages waste

In groups, learners are guided to:
- Discuss waste products removed through the skin
- Carry out an experiment demonstrating that the lungs excrete carbon IV oxide (blowing into lime water)
- Record and discuss observations

What waste products are removed through the skin and lungs?

- Spotlight Integrated Science pg. 156
- Lime water, boiling tube, straw
- Charts
- Spotlight Integrated Science pg. 158
- Charts showing urinary system
- Exercise books

- Practical work - Observation

Living Things and the Environment

Human Excretory System - Functions of parts of the urinary system
Human Excretory System - External features of the kidney

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

- State the function of each part of the urinary system
- Explain how the kidneys filter blood to produce urine
- Appreciate the importance of the urinary system in maintaining health

In groups, learners are guided to:
- Complete a table matching parts of the urinary system to their functions
- Discuss how each part contributes to the production and removal of urine
- Use the course book to verify functions

What does each part of the urinary system do?

- Spotlight Integrated Science pg. 159
- Function table
- Reference books
- Spotlight Integrated Science pg. 160
- Kidney charts or models

- Written assignments - Oral questions

Living Things and the Environment

Human Excretory System - Modelling the urinary system

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

- Construct a model of the urinary system using locally available materials
- Label the parts of the modelled urinary system correctly
- Show creativity and collaboration when making the model

In groups, learners are guided to:
- Work in groups to construct a model of the urinary system using carton and available materials
- Label all parts of the model
- Display and peer-assess models in class

How can a model of the urinary system be constructed using local materials?

- Spotlight Integrated Science pg. 161
- Carton, scissors, glue, colours
- Pencil

- Practical work - Observation - Checklist

Living Things and the Environment

Human Excretory System - Causes of kidney disorders
Human Excretory System - Prevention of kidney disorders

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

- Identify common kidney disorders (kidney stones, kidney failure, urinary tract infections)
- Describe the causes of each kidney disorder
- Show concern for maintaining kidney health

In groups, learners are guided to:
- Use print or digital media to search for information on common kidney disorders and their causes
- List and discuss the causes of kidney stones, kidney failure, and UTIs
- Share findings with classmates

What are the common causes of kidney disorders in human beings?

- Spotlight Integrated Science pg. 163
- Reference books
- Internet access
- Spotlight Integrated Science pg. 164

- Oral questions - Written assignments

Living Things and the Environment

Human Excretory System - Daily log for skin and kidney health I
Human Excretory System - Daily log for skin and kidney health II

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

- Identify activities that promote both skin and kidney health
- Explain why regular exercise, hydration, and hygiene support excretory health
- Show self-discipline in adopting healthy daily habits

In groups, learners are guided to:
- Discuss activities that promote skin and kidney health (bathing, drinking water, exercising)
- List daily activities that support excretory organ health
- Begin designing a personal daily health log

What daily activities promote skin and kidney health?

- Spotlight Integrated Science pg. 166
- Reference books
- Health log template
- Spotlight Integrated Science pg. 167
- Exercise books

- Observation - Oral questions

Living Things and the Environment

Human Excretory System - Healthy lifestyle for skin and kidney health
Human Excretory System - Review and assessment

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

- Explain why a healthy lifestyle is essential for maintaining skin and kidney health
- Describe the consequences of neglecting skin and kidney health
- Appreciate the importance of a healthy lifestyle in overall wellbeing

In groups, learners are guided to:
- Discuss the consequences of poor lifestyle choices on skin and kidneys
- Search print or digital media for information on promoting skin and kidney health
- Invite a resource person (health worker) to talk about healthy lifestyles

Why is a healthy lifestyle important for the skin and kidneys?

- Spotlight Integrated Science pg. 169
- Reference books
- Internet access
- Spotlight Integrated Science pg. 170
- Assessment papers
- Exercise books

- Oral questions - Written assignments

Force and Energy

Electrical Energy - Sources of electricity in the environment
Electrical Energy - Sources of electricity: generated and alternative sources
Electrical Energy - Renewable and non-renewable electricity sources

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

- Identify natural sources of electricity in the environment (solar, wind, hydro-electric, geothermal)
- Describe how each natural source generates electricity
- Show appreciation for natural energy sources available in the environment

In groups, learners are guided to:
- Discuss sources of electricity used at home, in hospitals, schools, and markets
- Study pictures of sources of electricity (solar panels, windmills, geothermal plant, hydroelectric plant, battery, dry cell, fossil fuel station, nuclear power plant) and identify each
- Use print or digital media to search for more information on sources of electricity

What are the sources of electricity in the environment?

- Spotlight Integrated Science pg. 172
- Pictures of electricity sources (charts)
- Internet access / digital media
- Spotlight Integrated Science pg. 173
- Diagrams of biomass and nuclear electricity production
- Reference books
- Spotlight Integrated Science pg. 174
- Classification chart

- Oral questions - Observation - Anecdotal records

Force and Energy

Electrical Energy - Components of a simple electrical circuit
Electrical Energy - Setting up a series circuit
Electrical Energy - Setting up a parallel circuit
Electrical Energy - Comparing series and parallel circuits

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

- Identify the components of a simple electrical circuit (dry cell, connecting wires, bulb holder, switch, bulb)
- Describe the function of each circuit component
- Show interest in understanding how electric current flows in a circuit

In groups, learners are guided to:
- Study a diagram of a simple electrical circuit and read aloud the names of all components
- Discuss the meaning of an electrical circuit based on the diagram
- Draw and label a well-labelled diagram of a simple electrical circuit in exercise books

What components make up a simple electrical circuit?

- Spotlight Integrated Science pg. 175
- Dry cells, connecting wires, bulb and bulb holder, switch
- Circuit diagram charts
- Spotlight Integrated Science pg. 176
- Two dry cells, two bulbs, two bulb holders, switch, connecting wires
- Safety guidelines
- Spotlight Integrated Science pg. 177
- Spotlight Integrated Science pg. 178
- Completed circuit diagrams
- Reference books

- Observation - Oral questions

Force and Energy

Electrical Energy - Identifying common electrical appliances
Electrical Energy - Uses and energy conversion of electrical appliances

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

- Identify common electrical appliances used at home, in salons, and in schools
- State the function of each identified electrical appliance
- Show interest in how electrical appliances make daily life easier

In groups, learners are guided to:
- Study pictures of electrical appliances (refrigerator, washing machine, electric blender, fan, kettle, blow dryer, pressure cooker, iron box, electric lamp, oven, air conditioner, electric guitar) and identify each
- Discuss the electrical appliances used in salons, barber shops, places of worship, markets, and schools
- In groups, compose a song about electrical appliances and sing to classmates

What are the common electrical appliances used in day-to-day life?

- Spotlight Integrated Science pg. 181
- Pictures of electrical appliances (charts)
- Reference books
- Spotlight Integrated Science pg. 182
- Appliances table
- Internet access

- Oral questions - Observation

Force and Energy

Electrical Energy - Safety measures when using electrical appliances
Electrical Energy - Applying safety measures in practical scenarios

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

- Identify safety measures to observe when handling electrical appliances
- Explain the danger posed by ignoring electrical safety rules
- Show responsibility when handling electrical appliances at home and at school

In groups, learners are guided to:
- Study pictures showing safe and unsafe use of electrical appliances and identify which pictures show safe practices
- Read aloud a poster listing safety measures (do not insert metallic objects into sockets, switch off sockets when not in use, switch off before plugging in, call professionals for repairs)
- Write short notes on safety measures and discuss with classmates

What safety measures should be observed when using electrical appliances?

- Spotlight Integrated Science pg. 184
- Safety posters
- Pictures of safe/unsafe practices
- Spotlight Integrated Science pg. 185
- Scenario cards
- Reference books

- Oral questions - Checklist

Force and Energy

Electrical Energy - Uses of electricity in day-to-day life
Electrical Energy - Summarising uses of electrical appliances

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

- Identify the various uses of electricity in homes, schools, hotels, markets, and places of worship
- Explain how electricity has improved quality of life in communities
- Appreciate electricity as an essential form of energy in daily life

In groups, learners are guided to:
- Study pictures showing various uses of electricity (cooking, ironing, boiling water, lighting, playing music, preserving food, washing clothes, warming food, baking) and identify uses shown
- Share how family members use electricity at home
- Discuss uses of electricity in schools, hotels, markets, places of worship, and roads

How is electricity used in day-to-day life?

- Spotlight Integrated Science pg. 187
- Pictures showing uses of electricity
- Reference books
- Spotlight Integrated Science pg. 188
- Table of uses

- Oral questions - Written assignments

Force and Energy

Electrical Energy - Review and assessment
Magnetism - Introduction to magnets and types

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

- Recall and explain all key concepts in Electrical Energy (sources, circuits, appliances, safety, uses)
- Complete an assessment task on sub-strand 4.1 accurately
- Show a positive and confident attitude toward assessment

In groups, learners are guided to:
- Answer review questions: name seven sources of electricity; draw a simple electrical circuit; identify circuit connections; name ten electrical appliances; explain six ways people in a community can use electricity
- Complete a self-assessment table ticking level of confidence for each outcome
- Teacher provides feedback on class performance

How well do learners understand Electrical Energy?

- Spotlight Integrated Science pg. 189
- Assessment papers
- Self-assessment table
- Spotlight Integrated Science pg. 192
- Bar magnet, horseshoe magnet, ring magnet
- Reference books

- Written test - Oral questions - Assessment rubric

Force and Energy

Magnetism - Attractive property of a magnet

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

- Demonstrate the attractive property of a magnet using a practical activity
- Explain what it means for a magnet to attract an object
- Show interest in observing and recording scientific observations accurately

In groups, learners are guided to:
- Spread paper on a flat surface; place small nails on paper; bring a magnet close to nails and observe
- Record observations (magnet attracts nails) and discuss with classmates
- Explain the meaning of the attractive property based on the practical activity

What happens when a magnet is brought close to small nails?

- Spotlight Integrated Science pg. 193
- Magnet (any type), paper, small nails
- Exercise books

- Practical work - Observation - Checklist

Force and Energy

Magnetism - Repulsive property of a magnet
Magnetism - Polarity and magnetic strength

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

- Demonstrate the repulsive property of a magnet using two bar magnets
- Explain what happens when like poles are brought together
- Show accuracy in recording observations from a practical activity

In groups, learners are guided to:
- Suspend a bar magnet on a wooden stand using a string
- Bring the north pole of a second bar magnet toward the north pole of the suspended magnet and observe repulsion
- Bring the south pole toward the south pole and observe repulsion; record and discuss observations

What happens when like poles of two magnets are brought together?

- Spotlight Integrated Science pg. 194
- Two bar magnets, string, wooden stand
- Exercise books
- Spotlight Integrated Science pg. 195
- Bar magnet, plain paper, iron filings
- Working table

- Practical work - Observation

Force and Energy

Magnetism - Directional property of a magnet
Magnetism - Basic law of magnetism

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

- Demonstrate the directional property of a freely suspended magnet
- Explain why a suspended magnet always aligns north–south
- Appreciate the application of the directional property in compass navigation

In groups, learners are guided to:
- Suspend a bar magnet on a wooden stand using a thick string
- Flip the magnet to make it rotate, then wait for it to come to rest
- Use an earth's compass to confirm that the north pole faces geographic north and south pole faces geographic south; discuss use in compasses

Why does a freely suspended magnet always point in the north–south direction?

- Spotlight Integrated Science pg. 196
- Bar magnet, thick string, wooden stand, compass
- Exercise books
- Spotlight Integrated Science pg. 197
- Two bar magnets, thick string, wooden stand

- Practical work - Observation - Oral questions

Force and Energy

Magnetism - Classifying materials as magnetic or non-magnetic

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

- Classify a range of materials as magnetic or non-magnetic using a permanent magnet
- Give examples of magnetic materials (iron, steel, cobalt, nickel) and non-magnetic materials (wood, plastic, paper, copper, aluminium, glass, brass)
- Show curiosity about why certain materials are attracted to magnets

In groups, learners are guided to:
- Suspend a bar magnet on a wooden stand; test each material (nail, aluminium foil, sewing needle, copper wire, leaf, wooden stick, piece of paper, plastic ruler, staple pin, razor blade, glass rod, fork, rubber) by bringing it near the magnet
- Record observations in a table: attracted/not attracted
- Study pictures of materials and group them as magnetic or non-magnetic

How can materials be classified as magnetic or non-magnetic?

- Spotlight Integrated Science pg. 198
- Bar magnet, wooden stand, assorted materials (nail, aluminium foil, needle, copper wire, leaf, wooden stick, paper, plastic ruler, staple pin, razor blade, glass rod, fork, rubber)
- Results table

- Practical work - Observation - Checklist

Force and Energy

Magnetism - Properties and socio-economic value of magnetic materials
Magnetism - Uses of magnets in day-to-day life

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

- Explain why magnetic materials are attracted to magnets while non-magnetic materials are not
- Relate the magnetic properties of materials to their cost and socio-economic value
- Show critical thinking when linking material properties to real-life uses

In groups, learners are guided to:
- Discuss why iron, steel, cobalt, and nickel are magnetic while copper, aluminium, wood, plastic, and glass are not
- Explore the socio-economic value of magnetic materials (e.g. metal recycling, magnetic screwdrivers, cost of different metals)
- List materials found in the locality and use digital or print media to determine whether they are magnetic or non-magnetic

Why are some materials magnetic and others not, and what is the economic significance?

- Spotlight Integrated Science pg. 199
- Reference books
- Internet access
- Spotlight Integrated Science pg. 200
- Pictures of magnetic applications

- Oral questions - Written assignments

Force and Energy

Magnetism - Uses of magnets: devices and personal applications
Magnetism - Applications of magnets in industry and technology

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

- Describe specific everyday uses of magnets (refrigerator door seals, speakers, radio tuners, magnetic screwdrivers, magnetic toys, bag magnetic snap buttons)
- Explain how the magnetic property enables each specific use
- Appreciate the range of ways magnets are applied in personal and household items

- Read flash cards from Grade 7 learners describing personal uses of magnets (magnetic bag closure, magnetic toys, magnetic screwdriver, magnetic compass)
- Discuss how refrigerator doors use magnets to shut tight, speakers use magnets to produce sound, and radio tuners use magnets
- Discuss uses of magnets in bicycle dynamos for lighting bicycle lamps

Which household items use magnets and how do the magnets make them work?

- Spotlight Integrated Science pg. 201
- Flash cards
- Reference books
- Spotlight Integrated Science pg. 202
- Internet access

- Oral questions - Observation

Force and Energy

Magnetism - Applications of magnets in transport and communication
Magnetism - Review and consolidation of magnetism
Magnetism - Assessment and Strand 4 review

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

- Describe applications of magnets in transport (magnetic levitation trains) and communication (radios, speakers, earphones)
- Explain the role of magnets in bicycle dynamos and electric motors
- Show interest in how the study of magnetism has enabled modern technology

In groups, learners are guided to:
- Discuss how magnets are used in bicycle dynamos (magnet moves in coil of wire to produce electricity for bicycle lamps)
- Discuss applications in electric motors, generators, door bells, earphones, and radios
- Compile a list of magnet-powered devices and present to classmates

How do magnets enable transport and communication technologies to work?

- Spotlight Integrated Science pg. 203
- Reference books
- Internet access
- Spotlight Integrated Science pg. 204
- Review question sets
- Exercise books
- Spotlight Integrated Science pg. 205
- Assessment papers
- Self-assessment table

- Oral questions - Written assignments