Mixtures, Elements and Compounds

Acids, Bases and Indicators - Introduction to acids and bases

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

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Introduction to acids and bases

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

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Classifying solutions using litmus paper

By the end of the lesson, the learner should be able to:
- Use red and blue litmus papers to classify lemon juice, ginger extract, fermented milk and baking powder solution as acidic or basic
- Explain the colour change of litmus paper in acidic and basic solutions
- Appreciate litmus paper as a safe and reliable indicator for classifying substances

In groups, learners are guided to:
- Measure 10 ml of lemon juice into a test tube, dip red and blue litmus papers and record colour changes in a table
- Repeat using ginger extract, fermented milk and baking powder solution and record all observations
- Discuss the colour changes observed and write a conclusion on how litmus paper identifies acids and bases

How does the colour change of litmus paper confirm whether a solution is acidic or basic?

- 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
- Digital resources

- Practical assessment - Observation - Written assignments

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 - 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

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

- Practical assessment - Observation - Written assignments

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Physical properties of acids and bases

By the end of the lesson, the learner should be able to:
- Identify the physical properties of acids — sour taste, turns red litmus paper blue, corrosive, conducts electricity
- Identify the physical properties of bases — bitter taste, turns red litmus paper blue, slippery feel, conducts electricity
- Show safety awareness by following correct procedures when investigating properties of acids and bases

In groups, learners are guided to:
- Use digital or print media to search for physical properties of acids and bases and write findings in exercise books
- Taste fermented milk and lemon juice using a clean spoon to observe the sour taste of acids
- Pour a little soap solution on the palm, rub and discuss the slippery feel of bases

What are the key differences between the physical properties of acids and those of bases?

- Spotlight Integrated Science pg. 123
- Fermented milk, lemon juice, ginger extract, clean spoons, digital resources
- Reference books

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Physical properties of acids and bases

By the end of the lesson, the learner should be able to:
- Identify the physical properties of acids — sour taste, turns red litmus paper blue, corrosive, conducts electricity
- Identify the physical properties of bases — bitter taste, turns red litmus paper blue, slippery feel, conducts electricity
- Show safety awareness by following correct procedures when investigating properties of acids and bases

In groups, learners are guided to:
- Use digital or print media to search for physical properties of acids and bases and write findings in exercise books
- Taste fermented milk and lemon juice using a clean spoon to observe the sour taste of acids
- Pour a little soap solution on the palm, rub and discuss the slippery feel of bases

What are the key differences between the physical properties of acids and those of bases?

- Spotlight Integrated Science pg. 123
- Fermented milk, lemon juice, ginger extract, clean spoons, digital resources
- Reference books

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Investigating physical properties using litmus and corrosiveness

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

- Practical assessment - Observation - Written assignments

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Electrical conductivity of acids and bases

By the end of the lesson, the learner should be able to:
- Investigate whether dilute sulphuric acid and dilute sodium hydroxide conduct electricity
- Explain that solutions of acids and bases conduct electricity because they contain ions
- Show care when setting up an electrical circuit involving liquid conductors

In groups, learners are guided to:
- Set up a conductivity circuit using a dry cell, switch, bulb, connecting wire, graphite rods, rubber cork and glass beaker
- Pour dilute sulphuric acid into the beaker, close the switch and observe whether the bulb lights
- Repeat using dilute sodium hydroxide solution and distilled water, then drain and rinse the beaker after each test

Why do solutions of acids and bases conduct electricity while distilled water does not?

- 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
- Digital resources

- Practical assessment - Observation - Oral questions

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 - 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

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

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Discussing applications of acids and bases

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

- Oral questions - Written assignments - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Investigating use of indicators in real life

By the end of the lesson, the learner should be able to:
- Describe how indicators are used to test the acidity and basicity of soil samples
- Carry out a practical activity using a plant extract to test different soil samples and record results
- Show appreciation for the role of indicators in maintaining soil health for crop production

In groups, learners are guided to:
- Weigh four soil samples A, B, C and D using an electronic balance and transfer each into a separate conical flask with distilled water
- Set up filtration apparatus and filter each soil sample mixture, then dip red and blue litmus papers into each filtrate
- Record which soil samples are acidic, basic or neutral and discuss the implications for farming

How do farmers use indicators to determine whether soil needs treatment before planting crops?

- 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
- Digital resources

- Practical assessment - Observation - Written assignments

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Indicator practical results and conclusions

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

- Oral questions - Written assignments - Peer assessment

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Indicator practical results and conclusions

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

- Oral questions - Written assignments - Peer assessment

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Summarising uses of acids, bases and indicators

By the end of the lesson, the learner should be able to:
- State the specific uses of acids — sulphuric acid in fertilisers, citric acid in food preservation, carbonic acid in fizzy drinks
- State the uses of bases — magnesium hydroxide as antacid, calcium hydroxide to neutralise acidic soils, sodium hydroxide in soap
- Show appreciation for the chemistry behind products used in daily life

- Read a class conversation between teacher Wahome and learners at Langi Junior School discussing uses of acids, bases and indicators
- Write the uses of acids, bases and indicators as explained in the conversation
- Discuss other uses of acids, bases and indicators not mentioned in the conversation and add to notes

How does knowing the specific uses of acids and bases help you understand the products you use every day?

- Spotlight Integrated Science pg. 130
- Digital resources
- Reference books

- Oral questions - Written assignments - Peer assessment

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Uses of acids, bases and indicators flash cards

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

- Peer assessment - Oral questions - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - Uses of acids, bases and indicators flash cards

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

- Peer assessment - Oral questions - Observation

Mixtures, Elements and Compounds

Acids, Bases and Indicators - End of sub-strand assessment

By the end of the lesson, the learner should be able to:
- Demonstrate understanding of acids, bases and indicators across all topics — identification, preparation, physical properties, applications and uses
- Apply knowledge to classify solutions, describe properties and explain real-life uses in assessment questions
- Show confidence and accuracy when responding to written and oral assessment tasks

In groups, learners are guided to:
- Group given solutions as acidic or basic using Assessment Activity 2.2 questions
- Answer questions on physical properties, litmus paper colour changes and applications of acids, bases and indicators
- Complete the self-assessment table for sub-strand 2.2 and identify areas for further review

How well can you identify, describe and explain the uses of acids, bases and indicators after completing this sub-strand?

- Spotlight Integrated Science pg. 132
- Learner exercise books
- Digital resources

- Written test - Oral questions - Self-assessment

Living Things and the Environment

Human Reproductive System - Parts 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

- Observation - Oral questions

Living Things and the Environment

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 female human reproductive system (vagina, cervix, uterus, oviduct, ovaries)
- State the location of each part
- Show respect and sensitivity when learning about the human body

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

What parts make up the female human reproductive system?

- Spotlight Integrated Science pg. 136
- Charts showing female reproductive system
- Exercise books
- 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

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

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Adolescence: meaning and onset

By the end of the lesson, the learner should be able to:
- Define adolescence and state the age range at which it begins
- Describe what happens to the body during adolescence
- Show acceptance of the natural changes that occur during adolescence

In groups, learners are guided to:
- Discuss the meaning of adolescence and its typical age range
- Use print or digital media to find information on the onset of adolescence
- Share and discuss findings in groups

What is adolescence and when does it begin?

- Spotlight Integrated Science pg. 141
- Reference books
- Internet access

- Oral questions - Observation

Living Things and the Environment

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:
- Describe the physical changes that take place in boys during adolescence
- Explain the biological reasons for each change
- Show acceptance of physical changes as a normal part of development

In groups, learners are guided to:
- Use print or digital media to research physical changes in boys during adolescence
- Compile a list of physical changes specific to boys
- Share findings with the class

What physical changes take place in boys during adolescence?

- Spotlight Integrated Science pg. 142
- Reference books
- Charts
- Spotlight Integrated Science pg. 143

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Physical 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

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Social and emotional challenges during adolescence

By the end of the lesson, the learner should be able to:
- Describe the social and emotional challenges faced during adolescence
- Explain the impact of peer pressure and mood swings
- Show empathy toward peers experiencing developmental challenges

In groups, learners are guided to:
- Discuss social and emotional challenges (peer pressure, low self-esteem, mood swings)
- Use print or digital media to search for strategies for managing emotional challenges
- Share findings with classmates sensitively

What social and emotional challenges do adolescents face?

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

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Managing developmental 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

- Oral questions - Observation

Living Things and the Environment

Human Reproductive System - Developing a plan to manage challenges

By the end of the lesson, the learner should be able to:
- Develop a personal plan to manage developmental challenges during adolescence
- Include both physical and emotional management strategies
- Show responsibility in taking care of one's own health and wellbeing

In groups, learners are guided to:
- Collaboratively create a plan to manage developmental challenges
- Include practical daily activities such as hygiene, exercise, and seeking support
- Present and peer-review plans with classmates

What would a practical personal plan for managing adolescence look like?

- Spotlight Integrated Science pg. 147
- Plan template
- Exercise books

- Checklist - Observation

Living Things and the Environment

Human Reproductive System - Social and reproductive implications of adolescence

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

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Social and reproductive implications of adolescence

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

- Oral questions - Written assignments

Living Things and the Environment

Human Reproductive System - Review and assessment

By the end of the lesson, the learner should be able to:
- Recall and explain key concepts on the human reproductive system and adolescence
- Complete an assessment task on sub-strand 3.1
- Show confidence in discussing topics in the human reproductive system

In groups, learners are guided to:
- Complete a review exercise covering all 3.1 topics
- Peer-mark and discuss corrections
- Teacher provides feedback on performance

What are the key concepts about the human reproductive system and adolescence?

- Spotlight Integrated Science pg. 150
- Assessment papers
- Exercise books

- Written test - Oral questions

Living Things and the Environment

Human Reproductive System - Review and assessment

By the end of the lesson, the learner should be able to:
- Recall and explain key concepts on the human reproductive system and adolescence
- Complete an assessment task on sub-strand 3.1
- Show confidence in discussing topics in the human reproductive system

In groups, learners are guided to:
- Complete a review exercise covering all 3.1 topics
- Peer-mark and discuss corrections
- Teacher provides feedback on performance

What are the key concepts about the human reproductive system and adolescence?

- Spotlight Integrated Science pg. 150
- Assessment papers
- Exercise books

- Written test - Oral questions

Living Things and the Environment

Human Excretory System - Introduction to excretion

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

- Oral questions - Observation

Living Things and the Environment

Human Excretory System - Parts of the human skin I

By the end of the lesson, the learner should be able to:
- Identify the layers and parts of the human skin (epidermis, dermis, sweat glands, sweat duct, sweat pore)
- Draw and label a cross-section of the human skin
- Show appreciation for the protective role of the skin

In groups, learners are guided to:
- Use a chart or model to observe and identify parts of the human skin
- Draw and label a cross-section of the skin in exercise books
- Observe external parts of the skin using a hand lens

What are the main parts that make up the human skin?

- Spotlight Integrated Science pg. 154
- Charts showing skin cross-section
- Hand lens

- Observation - Oral questions

Living Things and the Environment

Human Excretory System - Parts of the human skin I

By the end of the lesson, the learner should be able to:
- Identify the layers and parts of the human skin (epidermis, dermis, sweat glands, sweat duct, sweat pore)
- Draw and label a cross-section of the human skin
- Show appreciation for the protective role of the skin

In groups, learners are guided to:
- Use a chart or model to observe and identify parts of the human skin
- Draw and label a cross-section of the skin in exercise books
- Observe external parts of the skin using a hand lens

What are the main parts that make up the human skin?

- Spotlight Integrated Science pg. 154
- Charts showing skin cross-section
- Hand lens

- Observation - Oral questions

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

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

- Practical work - Observation

Living Things and the Environment

Human Excretory System - Waste products from the skin and lungs

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

- Practical work - Observation

Living Things and the Environment

Human Excretory System - Parts of the urinary system

By the end of the lesson, the learner should be able to:
- Identify the parts of the human urinary system (kidneys, ureters, bladder, urethra, renal artery, renal vein)
- Draw and label the urinary system
- Show interest in the structure of the urinary system

In groups, learners are guided to:
- Use a chart or model to observe and identify parts of the urinary system
- Draw and label the urinary system in exercise books
- Peer-review labelled diagrams

What parts make up the human urinary system?

- Spotlight Integrated Science pg. 158
- Charts showing urinary system
- Exercise books

- Observation - Oral questions

Living Things and the Environment

Human Excretory System - Functions of parts of the urinary system

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

- Written assignments - Oral questions

Living Things and the Environment

Human Excretory System - Functions of parts of the urinary system

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

- Written assignments - Oral questions

Living Things and the Environment

Human Excretory System - External features of the kidney

By the end of the lesson, the learner should be able to:
- Describe the external appearance of the kidney and the vessels serving it
- Identify the renal artery and renal vein and state their roles
- Show interest in the structure and function of the kidneys

In groups, learners are guided to:
- Use a chart to observe the external features of the kidney
- Identify the renal artery (blood in) and renal vein (blood out)
- Discuss the role of each vessel in kidney function

What does the kidney look like from outside and what blood vessels serve it?

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

- Oral questions - Observation

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

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

- Oral questions - Written assignments

Living Things and the Environment

Human Excretory System - Causes 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

- Oral questions - Written assignments

Living Things and the Environment

Human Excretory System - Prevention of kidney disorders

By the end of the lesson, the learner should be able to:
- Describe ways of preventing kidney disorders
- Explain the importance of drinking adequate water and healthy eating for kidney health
- Develop a responsible attitude toward personal kidney health

In groups, learners are guided to:
- Discuss lifestyle choices that protect the kidneys (adequate hydration, avoiding excess salt)
- Search print or digital media for more kidney health tips
- Compile a kidney health guide in groups

How can kidney disorders be prevented through healthy lifestyle choices?

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

- Oral questions - Written assignments

Living Things and the Environment

Human Excretory System - Prevention of kidney disorders

By the end of the lesson, the learner should be able to:
- Describe ways of preventing kidney disorders
- Explain the importance of drinking adequate water and healthy eating for kidney health
- Develop a responsible attitude toward personal kidney health

In groups, learners are guided to:
- Discuss lifestyle choices that protect the kidneys (adequate hydration, avoiding excess salt)
- Search print or digital media for more kidney health tips
- Compile a kidney health guide in groups

How can kidney disorders be prevented through healthy lifestyle choices?

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

- Oral questions - Written assignments

Living Things and the Environment

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

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

- Observation - Oral questions

Living Things and the Environment

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

By the end of the lesson, the learner should be able to:
- Develop and maintain a personal daily log of activities that promote skin and kidney health
- Use the log to monitor healthy habits over time
- Show commitment to maintaining a healthy excretory system

In groups, learners are guided to:
- Collaborate with peers to develop a weekly health log tracking activities
- Complete the log over one week and reflect on habits
- Share logs with classmates for peer assessment

How can a daily log help track activities that promote excretory health?

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

- Checklist - Anecdotal records

Living Things and the Environment

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

By the end of the lesson, the learner should be able to:
- Develop and maintain a personal daily log of activities that promote skin and kidney health
- Use the log to monitor healthy habits over time
- Show commitment to maintaining a healthy excretory system

In groups, learners are guided to:
- Collaborate with peers to develop a weekly health log tracking activities
- Complete the log over one week and reflect on habits
- Share logs with classmates for peer assessment

How can a daily log help track activities that promote excretory health?

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

- Checklist - Anecdotal records

Living Things and the Environment

Human Excretory System - Healthy lifestyle for skin and kidney health

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

- Oral questions - Written assignments

Living Things and the Environment

Human Excretory System - Review and assessment

By the end of the lesson, the learner should be able to:
- Recall and explain key concepts on the human excretory system
- Complete an assessment task on sub-strand 3.2
- Show confidence in discussing the excretory system and healthy living

In groups, learners are guided to:
- Complete a review exercise covering all 3.2 topics
- Peer-mark and discuss corrections
- Teacher gives feedback on performance

What are the most important ideas about the human excretory system?

- Spotlight Integrated Science pg. 170
- Assessment papers
- Exercise books

- Written test - Oral questions - Assessment rubric

Living Things and the Environment

Human Excretory System - Review and assessment

By the end of the lesson, the learner should be able to:
- Recall and explain key concepts on the human excretory system
- Complete an assessment task on sub-strand 3.2
- Show confidence in discussing the excretory system and healthy living

In groups, learners are guided to:
- Complete a review exercise covering all 3.2 topics
- Peer-mark and discuss corrections
- Teacher gives feedback on performance

What are the most important ideas about the human excretory system?

- Spotlight Integrated Science pg. 170
- Assessment papers
- Exercise books

- Written test - Oral questions - Assessment rubric