Scientific Investigation

Laboratory Safety; Common Hazards in the Laboratory

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

Define the term laboratory.
Identify common hazards in the laboratory.
Draw the picture on learner

Learners to define the term laboratory
In groups, learners are guided to identify common hazards in the laboratory
In groups, learners are guided to draw the picture on learner

What are the common hazards in the laboratory?

KLB: Top Scholar; Integrated Science Learner

Oral questions Oral Report Observation

Scientific Investigation

Identifying Common Hazard Symbols in the Laboratory

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

Define the term hazard.
Make a list of the laboratory hazard symbols and state what they communicate.
Draw some of the hazard symbols.
Appreciate the importance of hazards symbols.

Learners are guided to define the term hazard.
In groups, learners are guided to Make a list of the laboratory hazard symbols and state what they communicate.
Individually, learners to draw some of the hazard symbols

What are the common hazard symbols in the laboratory?

KLB: Top Scholar; Integrated Science Learner

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Scientific Investigation

First Aid Safety Measures; Demonstrating the First Aid Safety Measures for Common Laboratory Accidents

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

Outline the first aid procedure for cuts.
Demonstrate the first aid for cuts.
Discuss the given procedure and role play.
Appreciate the importance of first aid procedure for cuts.

In pairs, learners are guided to outline the first aid procedure for cuts.
In pairs, learners are guided to demonstrate the first aid for cuts
In groups, learners are guided to discuss the given procedure and role play

What can you do if one of your friends get injured while you are playing?

KLB: Top Scholar; Integrated Science Learner

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Scientific Investigation

Demonstrating First Aid for Burns and Scalds
Demonstrating First Aid for Ingesting Harmful Substances
Importance of Safety Measures in the Laboratory

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

Outline the first aid procedure for burns and scalds.
Demonstrate the first aid for burns and scalds.
Discuss the given procedure and role play.
Appreciate the importance of first aid procedure for burns and scalds.


Discuss the accidents that may occur in the laboratory.
Identify the safety measures to observe when working in the laboratory.
Discuss the importance of the identified measures.
Appreciate the importance of the safety Measures in the Laboratory.

In pairs, learners are guided to outline the first aid procedure for burns and scalds.
In pairs, learners are guided to demonstrate the first aid for burns and scalds.
In groups, learners are guided to discuss the given procedure and role play
In groups, learners are guided to discuss the accidents that may occur in the laboratory
In groups, learners are guided to identify the safety measures to observe when working in the laboratory.
In groups, learners are guided to discuss the importance of the identified measures.

What is the procedure for burns and scalds?
What is the importance of safety measures in the laboratory?

KLB: Top Scholar; Integrated Science Learner

Oral questions Oral Report Observation

Scientific Investigation

International System of Units

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

Define the abbreviation SI
Search for the meaning of international Systems of Units (SI units) in books or from the internet.
Discuss the SI units for measuring temperature, length, mass, time, electric current, light density and amount of substance.
Appreciate the International System of Units for Basic Quantities in Science.

Learners to define the abbreviation SI
In groups, learners are guided to search for the meaning of international Systems of Units (SI units) in books or from the internet
In groups, learners to discuss the SI units for measuring temperature, length, mass, time, electric current, light density and amount of substance.

What are SI units?

KLB: Top Scholar; Integrated Science Learner

Oral questions Oral Report Observation

Scientific Investigation

Identifying Importance of Packaging Labels on Quantities of Products
Parts and Functions of a Light Microscope

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

Identify Importance of Packaging Labels on Quantities of Products.
Collect the packaging labels of different products such as bread, juice, biscuits.
Study the quantities recorded on the packages and record.
Appreciate the importance of packaging labels on quantities of products.

Learners are guided to identify importance of packaging labels on quantities of products
In groups, learners are guided to collect the packaging labels of different products such as bread, juice, biscuits
In groups, learners are guided to study the quantities recorded on the packages and record

What is the importance of packaging labels on quantities of products?

KLB: Top Scholar; Integrated Science Learner

Oral questions Oral Report Observation

Scientific Investigation

Identifying Parts and Functions of a Bunsen Burner

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

Identify parts and functions of a Bunsen burner.
Discuss uses of parts of the Bunsen burner.
Draw and label the parts of a Bunsen burner.
Appreciate the uses of parts of a Bunsen burner.

In groups, learners are guided to identify parts and functions of a Bunsen burner.
In groups, learners are guided to discuss uses of parts of the Bunsen burner
Individually or in pairs, learners are guided to draw and label the parts of a Bunsen burner

What are the functions of a Bunsen Burner?

KLB: Top Scholar; Integrated Science Learner

Oral questions Oral Report Observation

Mixtures,Elements and Compounds.

Mixtures. (. Methods of Separating Mixtures.(Decantin
Mixtures.(.Methods of Separating Mixtures.(Use of a magnet and filtration)
Mixtures. (. Methods of separating mixtures (Simple Distillation)

By the end of the lesson, the learner should be able to:
outline the procedure of separating solid, liquid mixture by decanting
 outline the procedure for separating a homogeneous solid-liquid mixture by simple distillation

In groups,learners are guided to;
outline and describe the procedure for separating a solid-liquid mixture by decanting.
carry out an experiment to separate a solid-liquid mixture by decanting and record the observations.
name other mixtures that can be separated using the same method at home.

In groups,learners are guided to:
search and explain the meaning of distillation.
outline the procedure for separating a homogeneous solid-liquid mixture by simple distillation.
carry out the experiment and record the observations.
discuss the observations recorded.
search a video on how distillation is used to separate crude oil in oil refineries.

What should be considered when separating various mixtures?
How can simple distillation be used to obtain pure water from river water at home?

Requirements (Beakers, water,sand or maize grains or bean seeds & stirring ro
Top Scholar Integrated Science pg 56.
Digital devices.
Requirements for the experiments.
Top Scholar Integrated Science pg 57-58.
Requirements for the experiment.
Digital devices.
Top Scholar Integrated Science pg 58-59.

Observation schedule. Assessment rubric. oral report. Checklists.
Assessment rubric. Checklist. Observation schedule. oral report.

Mixtures,Elements and Compounds.

Mixtures. (. Methods of separating mixtures (Paper chromatography)
Mixtures (. Methods of separating mixtures (use of solvent extraction)

By the end of the lesson, the learner should be able to:
 outline the procedure for using paper chromatography to separate mixtures. carry out the experiment, record and discuss their observations. 

In groups,learners are guided to:
outline the procedure for using paper chromatography to separate mixtures.
carry out the experiment, record and discuss their observations.
search and watch videos on application of separation of mixtures using chromatography in: cosmetic industries, food industry, Athletics, Pharmaceuticals.

What is paper chromatography and how does it work?

Digital devices.
Top Scholar Integrated Science pg 60-62.
Requirements for the experiment.
Top Scholar Integrated Science pg 62-63

Assessment rubric. Checklist. Oral report. observation schedule.

Mixtures,Elements and Compounds.

Mixtures (. Methods of separating mixtures (Sublimation)

By the end of the lesson, the learner should be able to:
 outline the procedure for separating a mixture using sublimation.

In groups,learners are guided to:
explain the term sublimation.
outline the procedure for separating a mixture using sublimation.
carry out an experiment to separate a mixture using sublimation.
observe, record and discuss the observations.

What is sublimation? Which other substances undergoes sublimation?

Digital devices.
Requirements for the experiment.
Top Scholar Integrated Science pg 64-65.

Assessment rubric. Checklist. oral report. Observation schedule.

Mixtures,Elements and Compounds.

Mixtures (. Methods of separating mixtures (Crystallisation)
Mixtures (. Methods of separating mixtures.

By the end of the lesson, the learner should be able to:
 explain the term crystallisation. describe the procedure for separating a mixture using crystallisation.

In groups,learners are guided to:
explain the term crystallisation.
describe the procedure for separating a mixture using crystallisation.
conduct an experiment to separate a mixture using crystallisation.
record and discuss the observations from the experiment.
search from the internet how salt is manufactured from sea water.

What is crystallisation? How does the method of crystallisation works as a method of separating mixtures?

Digital devices.
Top Scholar Integrated Science pg 65-66.
Requirements for the experiment.
Top Scholar Integrated Science pg 56-66.

Assessment rubric. Checklists. observation schedules. oral report.

Force and Energy.

Static Electricity. (. Methods of Charging Objects.(Rubbing or Friction)
Static Electricity. (. Methods of charging objects. (induction)

By the end of the lesson, the learner should be able to:
 identify the methods of charging objects. conduct a practical on charging objects by rubbing.
 explain what is induction. conduct an experiment on charging objects by induction using two balloon

In groups,pairs,learners are guided to:
identify the methods of charging objects.
conduct a practical on charging objects by rubbing.
observe, record and discuss the observations.
In groups,pairs,learners are guided to;
explain what is induction.
conduct an experiment on charging objects by induction using two balloons.
observe, record and discuss the observations made.

What is charging? How do materials get charged?
What is charging by induction?

Top Scholar Integrated Science pg 107-108.
Requirements for the experiment.

Top Scholar Integrated Science pg 108-110.
Requirements for the experiment.
Digital devices.

Practical Work. observation schedule. Assessment rubric. oral report.
Practical Work. Assessment rubric. Checklist. oral report.

Force and Energy.

Static Electricity. (. Methods of charging objects.(Induction)
Static Electricity. (.Dangers and Safety measures when dealing with static charges.

By the end of the lesson, the learner should be able to:
carry out a practical activity on charging a single polythene ball or balloon by induction. observe,record and discuss the observations from the experiment.

In groups,learners are guided to:
carry out a practical activity on charging a single polythene ball or balloon by induction.
observe,record and discuss the observations from the experiment.
search and watch videos from the internet on charging materials by induction and rubbing.

What is earthing process? What observations are expected from the experiment?

Top Scholar Integrated Science pg 111-113.
Digital devices.
Requirements for the experiment.
Top Scholar Integrated Science pg 119-120.

Practical work. Assessment rubric. observation schedule. Oral questions.

Force and Energy.

Electrical Energy- Simple Electrical Circuits.

By the end of the lesson, the learner should be able to:
;
Identify the electrical components and their symbols while connecting a simple circuit.
Discuss what is simple electrical circuit in series.
Search and watch videos showing how to set up a simple electric circuit with components in series.
Set up simple electrical circuits in series using dry cells, bulbs, switch and connecting copper wires.
Enjoy setting up simple electrical circuit in series.

In groups,learners are guided to:
identify the electrical components and their symbols used while connecting a simple circuit.
describe what is a simple electrical circuit in series.
search and watch videos showing how to set up simple electric circuit with components in series.
set up simple electrical circuit in series.

What are the electrical components and their symbols? How do you set up a simple electrical circuit in series?

Top Scholar Pre-Technical Studies pg 129-130.
Pictures.
Dry cells, torch bulbs, connecting copper wires and switch.
Digital devices.

Checklists. Observation. Practical work. Oral questions.

Force and Energy.

Electrical Energy-Setting up Simple Electrical Circuit in Parallel.
Electrical Energy-Conductors and Non-Conductors of Electricity.

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

List the requirements for setting up simple electrical circuit in parallel.
Describe setting up a simple electrical circuit in parallel.
Set up simple electrical circuit in parallel using the necessary requirements.
Enjoy setting up simple electrical circuit in parallel.

In groups,learners are guided to:
Observe pictures and list the requirements for setting up a simple electrical circuit in parallel.
search the internet what is a parallel arrangements in a circuit.
discuss how to setup a simple electrical circuit in parallel.
setup a simple electrical circuit in parallel.

What is a parallel arrangement in a circuit?

Top Scholar Pre-Technical pg 131-132.
Digital devices.
Pictures.
Dry cells, bulbs, connecting copper wires and switch.
Top Scholar Pre-Technical Studies pg 135-137.
Requirements for experiments:dry cells,bulb, copper wire, metallic spoon, aluminum foil, rubber band,steel wool,nail, pencil rib,paper,10 shilling coin etc.

Practical work. Observation. Oral questions. Assessment rubric.

Force and Energy.
Force and Energy
Force and energy

Electrical Energy - Self-Assessment Questions.
Electrical Energy.
Force and Energy: Transformation of energy; Forms of energy

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

Attempt all the questions on the sub-strand.
lesson,
Outline the steps for setting up a simple electrical circuit in parallel.
Demonstrate the flow of electric current using simple circuit in parallel.
Enjoy setting up a simple electrical circuit in parallel.

Individually,in pairs,learners to:
answer the questions on the sub-strand.
In groups,learners are guided to;
prepare the requirements for the practical activity.
outline the steps for setting up a simple electrical circuit in parallel.
collaborate in setting up a simple electrical circuit in parallel.

What is the difference between the series and parallel arrangement of cells?

Top Scholar Pre-Technical Studies pg 140.
Assessment books.
Active Integrated Science pg 139-140.
Picture.
Two dry cells,torch bulb, ammeter, switch,cell holder,bulb holder, eight connecting wires.
Digital devices.
Spotlight; Integrated Science Learner's Book Grade 8 pg. 130-132
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Assessment rubric. Written test. Checklists.
Practical Activity. Portfolio. Checklists. Observation. Assessment rubrics.

Force and energy

Renewable energy sources

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

Explain the meaning of renewable energy sources.
Recognise the importance of renewable energy sources.
Appreciate the use of renewable energy sources.

In groups, learners are guided to explain the meaning of renewable energy sources.
In groups, learners are guided to recognise the importance of renewable energy sources.
In groups, learners are guided to give examples of renewable energy sources.

What are renewable energy sources?

Curriculum design; Integrated Science Grade 8
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Force and energy

Non-renewable energy sources

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

Explain the meaning of non-renewable energy sources.
Recognise the importance of non-renewable energy sources.
Appreciate the use of non-renewable energy sources.

In groups, learners are guided to explain the meaning of non-renewable energy sources.
In groups, learners are guided to recognise the importance of non-renewable energy sources.
In groups, learners are guided to give examples of non-renewable energy sources.

What are non-renewable energy sources?

Curriculum design; Integrated Science Grade 8
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Force and energy

Appliances whose working relies on energy transformations.
Application of energy transformation.

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

Identify appliances whose working relies on energy transformations.
Draw the appliances in learner's book 8.
Appreciate the use of appliances whose working relies on energy transformations.

In groups, learners are guided to identify appliances whose working relies on energy transformations.
In groups, learners are guided to draw the appliances in learner's book 8 page 138
In groups, learners are guided to discuss and write the energy transformations that take place when the appliances are in use.

What is the use of an electric heater? What is a diode?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 138-139
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Spotlight; Integrated Science Learner's Book Grade 8 pg. 144-147

Oral questions Oral Report Observation

Force and energy

Pressure
Describing pressure in solids
Describing pressure in liquids

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

Discuss the meaning of pressure.
Read the discussion in learner's book 8
Have a desire to learn more about pressure.


State the materials needed to demonstrate and describe pressure in solids.
Demonstrate pressure in solids.
Have fun and enjoy doing the experiment.

In groups, learners are guided to discuss the meaning of pressure.
In groups, learners are guided to read the discussion in learner's book 8 page 148
In groups, learners are guided to answer the questions that follows.

In groups, learners are guided to state the materials needed to demonstrate and describe pressure in solids.
In groups, learners are guided to outline the procedure of demonstrating pressure in solids.
In groups, learners are guided to demonstrate pressure in solids.

What is force? What is pressure.
Between the blunt and sharp pencil, which one easily pierces the carton box?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 147-149
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Spotlight; Integrated Science Learner's Book Grade 8 pg. 149-151
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Spotlight; Integrated Science Learner's Book Grade 8 pg. 151-152

Oral questions Oral Report Observation

Force and energy

To describe pressure in liquids using glass tubes and balloons

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

State the materials and requirements needed to investigate pressure in liquids using glass tubes and balloons.
Investigate pressure in liquids using glass tubes and balloons.
Have fun and enjoy conducting the experiment.

In groups, learners are guided to state the materials and requirements needed to investigate pressure in liquids using glass tubes and balloons.
In groups, learners are guided to investigate pressure in liquids using glass tubes and balloons.
In groups, learners are guided to describe pressure in liquids using glass tubes and balloons.

What have you observed from the experiment?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 152-153
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Force and energy

To describe pressure in liquids using a tin.
Determining pressure in solids and liquids

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

State the materials and requirements needed to investigate pressure in liquids using a tin.
Investigate pressure in liquids using a tin.
Appreciate the importance of pressure in liquids.

In groups, learners are guided to state the materials and requirements needed to investigate pressure in liquids using a tin.
In groups, learners are guided to investigate pressure in liquids using a tin.
In groups, learners are guided to describe pressure in liquids using a tin.

How do you describe pressure in liquids?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 153-154
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Spotlight; Integrated Science Learner's Book Grade 8 pg. 154

Oral questions Oral Report Observation

Force and energy

Determining pressure in solids

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

State the materials and requirements needed to investigate pressure in solids.
Investigate pressure in solids.
Appreciate the importance of pressure in solids.

In groups, learners are guided to state the materials and requirements needed to investigate pressure in solids.
In groups, learners are guided to investigate pressure in solids.
In groups, learners are guided to determine pressure in solids.

What have you learnt about pressure in solids?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 155
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Force and energy

To determine pressure in a regular solid
To determine pressure in similar solids.
Determining pressure in liquids; Using a tin to investigate variation of pressure in liquids.

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

State the materials and requirements needed to determine pressure in a regular solid.
Investigate pressure in a regular solid.
Have fun and enjoy the experiment.


State the materials and requirements needed to investigate variation of pressure in liquids.
Investigate variation of pressure in liquids.
Appreciate the importance of variation of pressure in liquids.

In groups, learners are guided to state the materials and requirements needed to determine pressure in a regular solid.
In groups, learners are guided to investigate pressure in a regular solid.
In groups, learners are guided to calculate the pressure exerted by each surface area using the formula.

In groups, learners are guided to state the materials and requirements needed to investigate variation of pressure in liquids.
In groups, learners are guided to investigate variation of pressure in liquids.
In groups, learners are guided to copy and complete the table in learner's book 8 page 160

Relate the area of the faces with pressure they have calculated. What do you notice?
What is variation of pressure?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 155-157
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Spotlight; Integrated Science Learner's Book Grade 8 pg. 157-158
Spotlight; Integrated Science Learner's Book Grade 8 pg. 158-160
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Force and energy

To investigate the relationship of pressure in liquids to its depth and density using a tall glass jar.

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

State the materials and requirements needed to investigate the relationship of pressure in liquids to its depth and density using a tall glass jar.
Investigate the relationship of pressure in liquids to its depth and density using a tall glass jar.
Appreciate the importance of pressure in liquids to its depth and density using a tall glass jar.

In groups, learners are guided to state the materials and requirements needed to investigate the relationship of pressure in liquids to its depth and density using a tall glass jar.
In groups, learners are guided to investigate the relationship of pressure in liquids to its depth and density using a tall glass jar.
In groups, learners are guided to discuss their observations with their classmates.

What is the relationship of pressure in liquids to its depth and density?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 160-161
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Force and energy

Solving numerical problems involving pressure.
Solving numerical problems involving pressure using a formula

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

State the formula to solve numerical problems involving pressure in solids.
Work out the surface area of the smallest face in m

In groups, learners are guided to state the formula to solve numerical problems involving pressure in solids.

In groups, learners are guided to work out the surface area of the smallest face in m

What is the surface area of the smallest face in m

Spotlight; Integrated Science Learner's Book Grade 8 pg. 161-163
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Spotlight; Integrated Science Learner's Book Grade 8 pg. 163-164

Oral questions Oral Report Observation

Force and energy

Pressure formula in liquids.

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

State the formula to solve numerical problems involving pressure in liquids.
Work out pressure in liquids.
Enjoy solving numerical problems involving pressure in liquids.

In groups, learners are guided to state the formula to solve numerical problems involving pressure in liquids.
In groups, learners are guided to work out pressure in liquids.
In groups, learners are guided to work out the examples in learner's book 8 page 166

What is the formula of working pressure in liquids?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 164-166
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Force and energy

Solve numerical problems involving pressure using formula
Applications of pressure in solids.
Applications of pressure in liquids.

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

State the formula of working out pressure using the formula.
Solve numerical problems involving pressure using the formula.
Appreciate the importance of numerical problems.


Identify the applications of pressure in liquids.
Summarise the applications of pressure in liquids.
Appreciate the applications of pressure in liquids.

Individually, learners are guided to state the formula of working out pressure using the formula, P = HXDXG    Where h- height, d- density, g - gravity.
In groups, learners are guided to identify the applications of pressure in liquids.
In groups, learners are guided to study the pictures in learner's book 8 page 169.
In groups, learners are guided to summarise the applications of pressure in liquids.

What is the formula of working out the pressure in solids?
What are other applications of pressure in liquids?

Spotlight; Integrated Science Learner's Book Grade 8 pg. 167
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Spotlight; Integrated Science Learner's Book Grade 8 pg. 167-169
Spotlight; Integrated Science Learner's Book Grade 8 pg. 169-171
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