Mixtures

Mixtures - Meaning of Mixtures
Mixtures - Identifying Mixtures in the Environment

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

- Define the meaning of a mixture
- Distinguish between a mixture and a pure substance
- Appreciate the presence of mixtures in daily life

The learner is guided to:
- Discuss in groups the meaning of mixtures
- Identify examples of mixtures at home and school
- Distinguish between mixtures and pure substances

What should be considered when separating various mixtures?

- Mentor Science and Technology Learner's Book pg. 39
- Digital devices
- Different types of mixtures
- Worksheets
- Mentor Science and Technology Learner's Book pg. 40
- School environment
- Worksheets
- Digital devices

- Observation schedules - Oral questions - Written assignments

Mixtures

Mixtures - Homogeneous Mixtures

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

- Define homogeneous mixtures
- Identify examples of homogeneous mixtures
- Show interest in understanding homogeneous mixtures

The learner is guided to:
- Prepare mixtures of water and sugar/salt
- Observe the uniformity of the mixture
- Discuss characteristics of homogeneous mixtures

What makes a mixture homogeneous?

- Mentor Science and Technology Learner's Book pg. 41
- Water, sugar, salt
- Containers
- Stirring rods

- Oral questions - Practical activities - Written assignments

Mixtures

Mixtures - Heterogeneous Mixtures
Mixtures - Types of Mixtures (Solid-Solid)

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

- Define heterogeneous mixtures
- Identify examples of heterogeneous mixtures
- Appreciate the difference between homogeneous and heterogeneous mixtures

The learner is guided to:
- Prepare mixtures of water and sand
- Observe the non-uniformity of the mixture
- Discuss characteristics of heterogeneous mixtures

What makes a mixture heterogeneous?

- Mentor Science and Technology Learner's Book pg. 42
- Water, sand
- Containers
- Stirring rods
- Mentor Science and Technology Learner's Book pg. 43
- Various solid materials (flour, sand, salt)
- Digital resources

- Oral questions - Practical activities - Written assignments

Mixtures

Mixtures - Types of Mixtures (Solid-Liquid)

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

- Define solid-liquid mixtures
- Identify examples of solid-liquid mixtures
- Appreciate the importance of solid-liquid mixtures in daily life

The learner is guided to:
- Prepare various solid-liquid mixtures
- Observe and classify them as homogeneous or heterogeneous
- Discuss the concept of solute, solvent, and solution

How can solid-liquid mixtures be classified?

- Mentor Science and Technology Learner's Book pg. 44
- Water, various solids (salt, sugar, sand, flour)
- Containers
- Stirring rods

- Oral questions - Practical activities - Written assignments

Mixtures

Mixtures - Types of Mixtures (Liquid-Liquid)
Mixtures - Separating Heterogeneous Mixtures (Winnowing)

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

- Define liquid-liquid mixtures
- Identify examples of liquid-liquid mixtures
- Show interest in exploring liquid-liquid mixtures

The learner is guided to:
- Prepare various liquid-liquid mixtures
- Observe and classify them as homogeneous or heterogeneous
- Discuss characteristics of liquid-liquid mixtures

How can liquid-liquid mixtures be classified?

- Mentor Science and Technology Learner's Book pg. 45
- Various liquids (water, milk, cooking oil, kerosene)
- Containers
- Stirring rods
- Mentor Science and Technology Learner's Book pg. 47
- Mixtures of light and heavy particles (rice and husks)
- Mats

- Oral questions - Practical activities - Written assignments

Mixtures

Mixtures - Separating Heterogeneous Mixtures (Picking)

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

- Explain the process of picking
- Demonstrate the use of picking to separate mixtures
- Show patience in separating mixtures by picking

The learner is guided to:
- Discuss the principle of picking
- Demonstrate separation of mixtures by picking
- Identify applications of picking in daily life

How is picking used to separate mixtures?

- Mentor Science and Technology Learner's Book pg. 48
- Mixtures with big solid particles (maize and beans)
- Containers
- Trays

- Practical activities - Oral questions - Written assignments

Mixtures

Mixtures - Separating Heterogeneous Mixtures (Sieving)

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

- Explain the process of sieving
- Demonstrate the use of sieving to separate mixtures
- Appreciate the application of sieving in daily life

The learner is guided to:
- Discuss the principle of sieving
- Demonstrate separation of mixtures by sieving
- Identify applications of sieving in daily life

How is sieving used to separate mixtures?

- Mentor Science and Technology Learner's Book pg. 49
- Mixtures of particles of different sizes
- Sieves
- Containers

- Practical activities - Oral questions - Written assignments

Mixtures

Mixtures - Separating Heterogeneous Mixtures (Using Magnet)

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

- Explain the use of a magnet to separate mixtures
- Demonstrate the use of a magnet to separate mixtures
- Show interest in magnetic separation

The learner is guided to:
- Discuss the principle of magnetic separation
- Demonstrate separation of mixtures using a magnet
- Identify applications of magnetic separation in daily life

How are magnets used to separate mixtures?

- Mentor Science and Technology Learner's Book pg. 52
- Mixtures containing magnetic materials
- Magnets
- Containers
- Gloves

- Practical activities - Oral questions - Written assignments

Mixtures

Mixtures - Separating Heterogeneous Mixtures (Filtration)

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

- Explain the process of filtration
- Demonstrate the use of filtration to separate mixtures
- Appreciate the application of filtration in daily life

The learner is guided to:
- Discuss the principle of filtration
- Demonstrate separation of mixtures by filtration
- Identify applications of filtration in daily life

How is filtration used to separate mixtures?

- Mentor Science and Technology Learner's Book pg. 51
- Mixtures of insoluble solids and liquids
- Filter materials (cloth, paper)
- Containers

- Practical activities - Oral questions - Written assignments

Mixtures

Mixtures - Separating Heterogeneous Mixtures (Filtration)

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

- Explain the process of filtration
- Demonstrate the use of filtration to separate mixtures
- Appreciate the application of filtration in daily life

The learner is guided to:
- Discuss the principle of filtration
- Demonstrate separation of mixtures by filtration
- Identify applications of filtration in daily life

How is filtration used to separate mixtures?

- Mentor Science and Technology Learner's Book pg. 51
- Mixtures of insoluble solids and liquids
- Filter materials (cloth, paper)
- Containers

- Practical activities - Oral questions - Written assignments

Mixtures

Mixtures - Separating Heterogeneous Mixtures (Decantation)

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

- Explain the process of decantation
- Demonstrate the use of decantation to separate mixtures
- Show carefulness in separating mixtures by decantation

The learner is guided to:
- Discuss the principle of decantation
- Demonstrate separation of mixtures by decantation
- Identify applications of decantation in daily life

How is decantation used to separate mixtures?

- Mentor Science and Technology Learner's Book pg. 50
- Mixtures of insoluble solids and liquids
- Containers
- Stirring rods

- Practical activities - Oral questions - Written assignments

Mixtures

Mixtures - Separating Heterogeneous Mixtures (Separating Funnel)

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

- Explain the use of a separating funnel
- Demonstrate the use of a separating funnel to separate immiscible liquids
- Appreciate the importance of separating funnels

The learner is guided to:
- Discuss the principle of separating immiscible liquids
- Demonstrate separation using a separating funnel
- Identify applications of separating funnels in daily life

How is a separating funnel used to separate mixtures?

- Mentor Science and Technology Learner's Book pg. 53
- Immiscible liquids (water and kerosene)
- Separating funnel
- Containers

- Practical activities - Oral questions - Written assignments

Mixtures

Water Pollution - Meaning of Water Pollution

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

- Define water pollution
- Distinguish between clean and polluted water
- Appreciate the importance of clean water

The learner is guided to:
- Discuss the meaning of water pollution
- Observe pictures of clean and polluted water
- Use digital devices to explore water pollution

Why is water pollution a concern?

- Mentor Science and Technology Learner's Book pg. 56
- Digital devices
- Pictures of clean and polluted water
- Video resources

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Meaning of Water Pollution

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

- Define water pollution
- Distinguish between clean and polluted water
- Appreciate the importance of clean water

The learner is guided to:
- Discuss the meaning of water pollution
- Observe pictures of clean and polluted water
- Use digital devices to explore water pollution

Why is water pollution a concern?

- Mentor Science and Technology Learner's Book pg. 56
- Digital devices
- Pictures of clean and polluted water
- Video resources

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Water Pollutants

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

- Identify common water pollutants
- Explain sources of water pollutants
- Show concern about water pollution

The learner is guided to:
- Walk around the school and neighborhood to identify water pollutants
- Record observations of harmful substances causing water pollution
- Discuss findings with peers

What are the common water pollutants in our environment?

- Mentor Science and Technology Learner's Book pg. 57
- School and neighborhood environment
- Protective gear (gumboots, gloves, masks)
- Recording materials

- Observation schedules - Written assignments - Peer assessment

Mixtures

Water Pollution - Human Activities Causing Water Pollution

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

- Identify human activities that cause water pollution
- Explain how these activities pollute water
- Show responsibility in preventing water pollution

The learner is guided to:
- Observe pictures showing activities that pollute water
- Discuss how human activities pollute water
- Identify activities in their locality that pollute water

How do human activities contribute to water pollution?

- Mentor Science and Technology Learner's Book pg. 58
- Digital devices
- Pictures showing water pollution
- Video resources

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Soil as a Water Pollutant

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

- Explain how soil pollutes water
- Identify activities that lead to soil pollution of water
- Show concern about soil erosion

The learner is guided to:
- Observe pictures showing soil pollution of water
- Discuss how soil enters water sources
- Identify activities that lead to soil erosion

How does soil pollute water sources?

- Mentor Science and Technology Learner's Book pg. 59
- Digital devices
- Pictures showing soil erosion
- Video resources

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Soil as a Water Pollutant

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

- Explain how soil pollutes water
- Identify activities that lead to soil pollution of water
- Show concern about soil erosion

The learner is guided to:
- Observe pictures showing soil pollution of water
- Discuss how soil enters water sources
- Identify activities that lead to soil erosion

How does soil pollute water sources?

- Mentor Science and Technology Learner's Book pg. 59
- Digital devices
- Pictures showing soil erosion
- Video resources

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Effects on Animals

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

- Explain effects of water pollution on animals
- Identify animals affected by water pollution
- Show concern for animals affected by polluted water

The learner is guided to:
- Observe pictures showing effects of polluted water on animals
- Discuss how polluted water affects animals
- Create awareness posters on protecting animals from water pollution

How does water pollution affect animals?

- Mentor Science and Technology Learner's Book pg. 60
- Digital devices
- Pictures showing effects of water pollution
- Art materials

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Effects on Humans

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

- Explain effects of water pollution on humans
- Identify diseases caused by polluted water
- Show concern for human health in relation to water quality

The learner is guided to:
- Observe pictures showing effects of polluted water on humans
- Discuss how polluted water affects human health
- Create awareness posters on protecting humans from water pollution

How does water pollution affect human health?

- Mentor Science and Technology Learner's Book pg. 61
- Digital devices
- Pictures showing effects of water pollution
- Art materials

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Effects on Plants

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

- Explain effects of water pollution on plants
- Identify plants affected by water pollution
- Show concern for plants affected by polluted water

The learner is guided to:
- Observe pictures showing effects of polluted water on plants
- Discuss how polluted water affects plant growth
- Create awareness posters on protecting plants from water pollution

How does water pollution affect plants?

- Mentor Science and Technology Learner's Book pg. 62
- Digital devices
- Pictures showing effects of water pollution
- Art materials

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Effects on Plants

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

- Explain effects of water pollution on plants
- Identify plants affected by water pollution
- Show concern for plants affected by polluted water

The learner is guided to:
- Observe pictures showing effects of polluted water on plants
- Discuss how polluted water affects plant growth
- Create awareness posters on protecting plants from water pollution

How does water pollution affect plants?

- Mentor Science and Technology Learner's Book pg. 62
- Digital devices
- Pictures showing effects of water pollution
- Art materials

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Methods of Reducing Water Pollution (Waste Disposal)

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

- Explain proper waste disposal methods
- Demonstrate proper waste disposal
- Show responsibility in waste disposal

The learner is guided to:
- Observe pictures showing proper and improper waste disposal
- Discuss how proper waste disposal reduces water pollution
- Participate in a clean-up activity in the school compound

How can proper waste disposal reduce water pollution?

- Mentor Science and Technology Learner's Book pg. 63
- Digital devices
- Pictures showing waste disposal
- Waste bins
- Protective gear

- Observation schedules - Practical activities - Peer assessment

Mixtures

Water Pollution - Methods of Reducing Water Pollution (Dirty Water Disposal)

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

- Explain proper disposal of dirty water
- Demonstrate proper disposal of dirty water
- Show responsibility in dirty water management

The learner is guided to:
- Discuss how to properly dispose of dirty water
- Identify ways to reuse dirty water
- Create a flowchart showing proper dirty water management

How can proper dirty water disposal reduce water pollution?

- Mentor Science and Technology Learner's Book pg. 64
- Digital devices
- Charts
- Art materials

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Methods of Reducing Water Pollution (Soil Erosion Control)

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

- Identify methods of controlling soil erosion
- Explain how soil erosion control reduces water pollution
- Show interest in soil erosion control measures

The learner is guided to:
- Discuss methods of controlling soil erosion
- Identify areas in the school compound prone to soil erosion
- Suggest measures to control soil erosion in identified areas

How can soil erosion control reduce water pollution?

- Mentor Science and Technology Learner's Book pg. 65
- Digital devices
- School compound
- Pictures showing soil erosion control

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Methods of Reducing Water Pollution (Soil Erosion Control)

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

- Identify methods of controlling soil erosion
- Explain how soil erosion control reduces water pollution
- Show interest in soil erosion control measures

The learner is guided to:
- Discuss methods of controlling soil erosion
- Identify areas in the school compound prone to soil erosion
- Suggest measures to control soil erosion in identified areas

How can soil erosion control reduce water pollution?

- Mentor Science and Technology Learner's Book pg. 65
- Digital devices
- School compound
- Pictures showing soil erosion control

- Oral questions - Written assignments - Projects

Mixtures

Water Pollution - Basic Methods of Water Treatment (Boiling)

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

- Explain the process of boiling water
- Demonstrate boiling as a water treatment method
- Appreciate the importance of boiling water

The learner is guided to:
- Discuss the process of boiling water for treatment
- Observe pictures showing water boiling
- Discuss safety measures when boiling water

How does boiling make water safe?

- Mentor Science and Technology Learner's Book pg. 66
- Digital devices
- Pictures showing water boiling
- Heat source (under teacher supervision)

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Basic Methods of Water Treatment (Filtration)

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

- Explain the process of water filtration
- Demonstrate water filtration
- Show interest in water filtration methods

The learner is guided to:
- Discuss the process of water filtration
- Demonstrate simple water filtration using locally available materials
- Discuss the limitations of filtration

How effective is filtration in water treatment?

- Mentor Science and Technology Learner's Book pg. 67
- Dirty water
- Filter materials (cloth, sand)
- Containers

- Practical activities - Oral questions - Written assignments

Mixtures

Water Pollution - Basic Methods of Water Treatment (Chemical Treatment)

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

- Explain chemical treatment of water
- Identify safe chemicals used for water treatment
- Show caution when handling water treatment chemicals

The learner is guided to:
- Discuss chemical treatment of water
- Observe pictures showing chemical water treatment
- Discuss safety measures when using water treatment chemicals

How effective is chemical treatment of water?

- Mentor Science and Technology Learner's Book pg. 68
- Digital devices
- Pictures showing chemical water treatment
- Water treatment chemicals (under teacher supervision)

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Basic Methods of Water Treatment (Solar Treatment)

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

- Explain solar treatment of water
- Identify situations where solar treatment is appropriate
- Appreciate the use of renewable energy for water treatment

The learner is guided to:
- Discuss solar treatment of water
- Observe pictures showing solar water treatment
- Discuss the advantages and limitations of solar treatment

How effective is solar treatment of water?

- Mentor Science and Technology Learner's Book pg. 69
- Digital devices
- Pictures showing solar water treatment
- Clear bottles for solar treatment demonstration

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Basic Methods of Water Treatment (Solar Treatment)

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

- Explain solar treatment of water
- Identify situations where solar treatment is appropriate
- Appreciate the use of renewable energy for water treatment

The learner is guided to:
- Discuss solar treatment of water
- Observe pictures showing solar water treatment
- Discuss the advantages and limitations of solar treatment

How effective is solar treatment of water?

- Mentor Science and Technology Learner's Book pg. 69
- Digital devices
- Pictures showing solar water treatment
- Clear bottles for solar treatment demonstration

- Oral questions - Written assignments - Observation schedules

Mixtures

Water Pollution - Water Filter Project Planning

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

- Plan a water filter project
- Identify materials needed for the water filter
- Show enthusiasm for the project

The learner is guided to:
- Discuss what a water filter should include
- Plan a water filter using locally available materials
- Identify materials needed for the water filter

How can we design an effective water filter?

- Mentor Science and Technology Learner's Book pg. 70
- Digital devices
- Pictures of water filters
- Planning worksheets

- Project plans - Oral questions - Peer assessment

Mixtures

Water Pollution - Water Filter Construction

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

- Make a functional water filter
- Explain how the water filter works
- Show creativity in filter construction

The learner is guided to:
- Use locally available materials to make a water filter
- Layer the filtering materials in the correct order
- Test the water filter

How can we construct a functional water filter?

- Mentor Science and Technology Learner's Book pg. 70
- Plastic bottles
- Gravel, sand, charcoal, cloth
- Scissors, string
- Dirty water

- Projects - Demonstrations - Peer assessment

Mixtures

Water Pollution - Water Filter Testing

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

- Test the effectiveness of the water filter
- Identify areas for improvement
- Show commitment to enhancing filter effectiveness

The learner is guided to:
- Test their water filters with dirty water
- Observe the filtered water
- Discuss ways to improve the water filter

How can we improve our water filters?

- Mentor Science and Technology Learner's Book pg. 71
- Completed water filters
- Dirty water
- Clean containers

- Projects - Demonstrations - Peer assessment

Mixtures

Water Pollution - Water Filter Testing

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

- Test the effectiveness of the water filter
- Identify areas for improvement
- Show commitment to enhancing filter effectiveness

The learner is guided to:
- Test their water filters with dirty water
- Observe the filtered water
- Discuss ways to improve the water filter

How can we improve our water filters?

- Mentor Science and Technology Learner's Book pg. 71
- Completed water filters
- Dirty water
- Clean containers

- Projects - Demonstrations - Peer assessment

Mixtures

Water Pollution - Water Filter Presentation

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

- Present their water filters
- Explain the filtering process
- Show confidence in presenting their work

The learner is guided to:
- Present their completed water filters
- Explain how their filters work
- Demonstrate the filtering process

How effective are our water filters?

- Mentor Science and Technology Learner's Book pg. 71
- Completed water filters
- Dirty water
- Presentation space

- Presentations - Peer assessment - Teacher observation