Mixtures, Elements and Compounds

Structure of the atom - General structure.
Structure of the atom - Meaning of an atom

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

- Describe the general structure of an atom
- Identify the subatomic particles in an atom
- Show interest in exploring the structure of atoms

- Observe a diagram showing the structure of an atom
- Discuss in groups the general structure of atoms
- Identify the particles shown in the atom

How is the structure of the atom important?

- Mentor Integrated Science (pg. 1)
- Charts showing structure of an atom
- Digital resources
- Models of atoms
- Mentor Integrated Science (pg. 2)
- Charts showing structure of atoms

- Observation - Oral questions - Written assignments

Mixtures, Elements and Compounds

Structure of the atom - Atomic number
Structure of the atom - Mass number

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

- Define atomic number of elements
- Determine the atomic number of given elements
- Appreciate the significance of atomic number in classifying elements

- Complete a table showing atomic numbers of elements
- Compare atomic numbers of different elements
- Discuss the significance of atomic numbers

How is the structure of the atom important?

- Mentor Integrated Science (pg. 3)
- Periodic table
- Digital resources
- Charts
- Mentor Integrated Science (pg. 4)
- Charts showing atomic structure

- Observation - Written work - Peer assessment

Mixtures, Elements and Compounds

Structure of the atom - Representation of elements
Structure of the atom - Energy levels
Structure of the atom - Electron arrangement

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

- Write chemical symbols with atomic and mass numbers
- Interpret chemical symbols with atomic and mass numbers
- Appreciate the importance of standard atomic notation

- Identify energy levels in atoms
- Explain how electrons are organized in energy levels
- Show interest in understanding atomic structure

- Complete a table showing representation of elements
- Practice writing chemical symbols with atomic and mass numbers
- Interpret given chemical symbols
- Search for information on energy levels in atoms
- Discuss how energy levels are organized in atoms
- Study diagrams showing energy levels

How is the structure of the atom important?

- Mentor Integrated Science (pg. 5)
- Periodic table
- Digital resources
- Charts
- Mentor Integrated Science (pg. 6)
- Digital resources
- Charts showing energy levels
- Models
- Charts showing electron arrangements

- Observation - Written assignments - Peer assessment
- Observation - Oral questions - Written assignments

Mixtures, Elements and Compounds

Structure of the atom - Electron arrangements of elements
Structure of the atom - Energy level diagrams

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

- Write electron arrangements for different elements
- Illustrate electron arrangements using diagrams
- Appreciate the systematic arrangement of electrons in atoms

- Discuss electron arrangement in different elements
- Complete electron arrangement diagrams for various elements
- Practice writing electron arrangements

How is the structure of the atom important?

- Mentor Integrated Science (pg. 7)
- Digital resources
- Charts showing electron arrangements
- Models
- Charts showing energy level diagrams

- Observation - Practical work - Written assignments

Mixtures, Elements and Compounds

Structure of the atom - Electron arrangement practice

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

- Draw electron arrangements for more complex elements
- Write electron arrangements numerically
- Appreciate the systematic organization of electrons

- Complete practice exercises on electron arrangements
- Draw electron arrangements for various elements
- Share work with peers for feedback

How is the structure of the atom important?

- Mentor Integrated Science (pg. 8)
- Periodic table
- Digital resources
- Exercise sheets

- Observation - Written work - Peer assessment

Mixtures, Elements and Compounds

Structure of the atom - Modelling structures
Structure of the atom - Metals and non-metals identification

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

- Create models of atomic structures
- Identify suitable materials for modelling atomic structures
- Show creativity in making models of atomic structures

- Observe different models of atomic structures
- Identify materials for modelling atoms
- Create models of atomic structures in groups

How is the structure of the atom important?

- Mentor Integrated Science (pg. 8)
- Locally available materials
- Digital resources
- Sample models
- Mentor Integrated Science (pg. 9)
- Periodic table
- Charts showing electron arrangements

- Observation - Project work - Peer assessment

Mixtures, Elements and Compounds

Structure of the atom - Metals and non-metals classification
Structure of the atom - Assessment
Metals and Alloys - Identifying metals

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

- Classify elements into metals and non-metals using electron arrangement
- Explain the relationship between electron arrangement and metallic properties
- Appreciate the diversity of elements

- Draw atomic structures accurately
- Solve problems related to atomic structure
- Show confidence in applying knowledge of atomic structure

- Discuss classification of elements based on electron arrangements
- Complete tables to show metals and non-metals
- Match elements to their classifications
- Answer assessment questions on atomic structure
- Complete model drawing activities
- Solve problems related to electron arrangement

How is the structure of the atom important?

- Mentor Integrated Science (pg. 9)
- Digital resources
- Periodic table
- Charts showing classification of elements
- Mentor Integrated Science (pg. 10)
- Assessment items
- Digital resources
- Models
- Mentor Integrated Science (pg. 15)
- Samples of metallic and non-metallic items
- Pictures

- Observation - Written work - Oral questions
- Written tests - Practical assessment - Observation

Mixtures, Elements and Compounds

Metals and Alloys - Classification of materials
Metals and Alloys - Physical properties (state)

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

- Classify different materials into metals and non-metals
- Explain reasons for classification based on observable properties
- Show interest in materials in the environment

- Walk around the school compound to observe materials
- Classify observed materials as metallic or non-metallic
- Record findings and share with classmates

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 15)
- Samples of different materials
- Digital resources
- Worksheets
- Mentor Integrated Science (pg. 16)
- Samples of different metals
- Charts

- Observation - Field activity - Written reports

Mixtures, Elements and Compounds

Metals and Alloys - Malleability

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

- Investigate the malleability of different metals
- Explain the property of malleability in metals
- Observe safety measures when investigating metal properties

- Carry out an investigation on malleability of different metals
- Record observations when metals are hammered
- Compare the malleability of different metals

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 17)
- Samples of different metals
- Hammer or mallet
- Safety equipment

- Observation - Practical work - Written reports

Mixtures, Elements and Compounds

Metals and Alloys - Ductility
Metals and Alloys - Electrical conductivity

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

- Investigate the ductility of different metals
- Explain the property of ductility in metals
- Value safety when investigating metal properties

- Carry out an investigation on ductility of different metals
- Record observations when metals are stretched
- Compare the ductility of different metals

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 17)
- Metal wires
- Pliers
- Safety equipment
- Mentor Integrated Science (pg. 18)
- Simple circuit components
- Metal samples
- Digital resources

- Observation - Practical work - Written reports

Mixtures, Elements and Compounds

Metals and Alloys - Thermal conductivity
Metals and Alloys - Causes of rusting
Metals and Alloys - Effects of rusting

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

- Investigate the thermal conductivity of different metals
- Explain why metals conduct heat
- Observe safety measures when using heat sources

- Identify effects of rusting on metal items
- Explain how rusting affects the usefulness of metals
- Show concern about effects of rusting in the environment

- Set up experiments to test thermal conductivity
- Record observations on how different metals conduct heat
- Compare the thermal conductivity of different metals
- Observe pictures of rusted items
- Discuss effects of rusting on different items
- Walk around to observe effects of rusting on items

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 19)
- Metal samples
- Heat source
- Candle wax or cooking fat
- Mentor Integrated Science (pg. 20)
- Iron nails
- Test tubes
- Water and oil
- Digital resources
- Mentor Integrated Science (pg. 21)
- Pictures of rusted items
- Actual rusted items
- Digital resources

- Observation - Practical work - Written reports
- Observation - Oral questions - Written assignments

Mixtures, Elements and Compounds

Metals and Alloys - Control of rusting
Metals and Alloys - Investigating rusting

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

- Describe methods of preventing rusting
- Explain how different methods prevent rusting
- Appreciate the importance of preventing rusting

- Search for information on ways of preventing rusting
- Discuss different methods of preventing rusting
- Share findings on rust prevention

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 22)
- Digital resources
- Items with rust prevention
- Pictures
- Camera (if available)
- Observation sheets
- Rusted items

- Observation - Oral presentations - Written assignments

Mixtures, Elements and Compounds

Metals and Alloys - Uses of metals
Metals and Alloys - Identifying alloys

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

- Identify uses of various metals in everyday life
- Match metals to their appropriate uses
- Appreciate the importance of metals in daily life

- Search for information on uses of metals
- Discuss uses of different metals in daily life
- Match metals to their uses

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 23)
- Digital resources
- Pictures showing uses of metals
- Charts
- Mentor Integrated Science (pg. 24)
- Samples of items made from alloys
- Pictures

- Observation - Oral presentations - Written assignments

Mixtures, Elements and Compounds

Metals and Alloys - Alloys in locality

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

- Collect items made from alloys in the locality
- Identify the alloys used to make different items
- Appreciate the use of alloys in everyday items

- Walk around school to identify items made from alloys
- Collect or take photographs of items made from alloys
- Discuss why the items are made from alloys

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 24)
- Items made from alloys
- Camera (if available)
- Digital resources

- Observation - Field activity - Project work

Mixtures, Elements and Compounds

Metals and Alloys - Composition of alloys
Metals and Alloys - Uses of alloys
Metals and Alloys - Observing alloy uses

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

- Describe the composition of common alloys
- Identify metals used to make different alloys
- Show interest in understanding alloy composition

- Observe uses of alloys in the locality
- Explain advantages of using alloys for specific purposes
- Show interest in applications of alloys

- Observe pictures of different alloys
- Search for information on composition of common alloys
- Present findings on alloy composition
- Walk around the school or locality to observe uses of alloys
- Record observations on uses of alloys
- Discuss findings with classmates

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 25)
- Digital resources
- Pictures of different alloys
- Charts
- Mentor Integrated Science (pg. 26)
- Pictures showing uses of alloys
- Mentor Integrated Science (pg. 27)
- Observation sheets
- Items made from alloys
- Digital resources

- Observation - Oral presentations - Written assignments
- Observation - Field activity - Written reports

Mixtures, Elements and Compounds

Metals and Alloys - Assessment
Water hardness - Physical properties

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

- Describe physical properties of metals and alloys
- Explain uses of various metals and alloys
- Show confidence in applying knowledge of metals and alloys

- Answer assessment questions on metals and alloys
- Complete self-assessment checklist
- Identify properties and uses of metals and alloys

How are alloys important in day-to-day life?

- Mentor Integrated Science (pg. 32)
- Assessment items
- Digital resources
- Samples of metals and alloys
- Mentor Integrated Science (pg. 33)
- Water samples from different sources
- Containers for samples
- Charts

- Written tests - Oral questions - Observation

Mixtures, Elements and Compounds

Water hardness - Water sources
Water hardness - Colour and odour

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

- Identify different sources of water in the locality
- Compare characteristics of water from different sources
- Show interest in water sources in the environment

- Discuss different sources of water in the locality
- Compare characteristics of water from different sources
- Record findings in a table

Why is hard water preferred for drinking?

- Mentor Integrated Science (pg. 33)
- Water samples
- Digital resources
- Charts
- Mentor Integrated Science (pg. 34)
- Clear containers
- White paper

- Observation - Oral discussions - Written assignments

Mixtures, Elements and Compounds

Water hardness - Investigating color and odor

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

- Investigate the color and odor of different water samples
- Record observations on water characteristics
- Appreciate the importance of clean water

- Carry out experiments to test color and odor of water samples
- Record observations in a table
- Draw conclusions about water quality based on observations

Why is hard water preferred for drinking?

- Mentor Integrated Science (pg. 34)
- Water samples
- Clear containers
- White paper
- Worksheets

- Observation - Practical work - Written reports

Mixtures, Elements and Compounds

Water hardness - Boiling point
Water hardness - Hard and soft water
Water hardness - Differences
Water hardness - Advantages of soft water

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

- Investigate the boiling point of water
- Explain why water boils at a specific temperature
- Observe safety measures when using heat sources

- Explain what makes water hard or soft
- Identify sources of hard and soft water
- Appreciate differences in water properties

- Set up apparatus to determine boiling point of water
- Measure temperature changes as water heats
- Record observations about boiling water
- Discuss what causes water hardness
- Identify sources of hard and soft water
- Compare characteristics of hard and soft water

Why is hard water preferred for drinking?

- Mentor Integrated Science (pg. 35)
- Thermometer
- Heat source
- Beaker
- Water
- Mentor Integrated Science (pg. 36)
- Soap
- Water samples
- Beakers
- Digital resources
- Mentor Integrated Science (pg. 37)
- Digital resources
- Charts
- Water samples
- Mentor Integrated Science (pg. 38)
- Debate materials

- Observation - Practical work - Written reports
- Observation - Oral presentations - Written assignments

Mixtures, Elements and Compounds

Water hardness - Hard water advantages

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

- Identify advantages of hard water
- Discuss health benefits of minerals in hard water
- Appreciate the value of hard water in certain applications

- Discuss benefits of minerals in hard water
- Research advantages of hard water
- Debate on usefulness of hard water

Why is hard water preferred for drinking?

- Mentor Integrated Science (pg. 39)
- Digital resources
- Charts
- Research materials

- Observation - Oral presentations - Written assignments

Mixtures, Elements and Compounds

Water hardness - Methods of softening
Water hardness - Boiling method

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

- Identify methods of softening hard water
- Explain different water softening processes
- Show interest in water treatment methods

- Search for information on methods of softening hard water
- Discuss different methods of water softening
- Summarize findings on water softening methods

Why is hard water preferred for drinking?

- Mentor Integrated Science (pg. 40)
- Digital resources
- Charts
- Water samples
- Mentor Integrated Science (pg. 41)
- Hard water samples
- Heat source
- Beakers
- Soap

- Observation - Oral presentations - Written assignments

Mixtures, Elements and Compounds

Water hardness - Chemical method
Water hardness - Distillation method

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

- Demonstrate how to soften hard water using chemicals
- Explain how chemicals remove hardness
- Show care when handling chemicals

- Carry out experiment to soften hard water using chemicals
- Test lathering ability before and after treatment
- Explain observations from the experiment

Why is hard water preferred for drinking?

- Mentor Integrated Science (pg. 42)
- Hard water samples
- Washing soda
- Beakers
- Soap
- Mentor Integrated Science (pg. 44)
- Distillation apparatus
- Heat source

- Observation - Practical work - Written reports

Mixtures, Elements and Compounds
Force and Energy

Water hardness - Applications
Curved mirrors - Types of curved mirrors
Curved mirrors - Terms associated with concave mirrors

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

- Identify applications of hard and soft water in daily life
- Match water types to their appropriate uses
- Appreciate the different uses of water based on hardness

- Describe the types of curved mirrors
- Differentiate between concave and convex mirrors
- Appreciate the applications of curved mirrors in day to day life

- Search for information on applications of hard and soft water
- Discuss practical uses of different water types
- Match water types to specific applications
- Discuss the types of curved mirrors (concave, convex, and parabolic surfaces)
- Use shiny spoons to demonstrate the difference between concave and convex reflective surfaces
- Observe and record how images are formed by the inner and outer surfaces of the spoon

Why is hard water preferred for drinking?
How are curved mirrors used in day to day life?

- Mentor Integrated Science (pg. 45)
- Digital resources
- Charts
- Pictures of water applications
- Mentor Integrated Science (pg. 133)
- Shiny spoons
- Digital resources on curved mirrors
- Mentor Integrated Science (pg. 135)
- Digital resources
- Charts showing the structure of a concave mirror

- Observation - Oral presentations - Written assignments
- Observation - Oral questions - Written assignments

Force and Energy

Curved mirrors - Determining focal length of concave mirror
Curved mirrors - Ray diagrams for concave mirrors

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

- Explain how to determine the focal length of a concave mirror
- Perform an experiment to determine the focal length of a concave mirror
- Value the practical approach in determining properties of mirrors

- Set up a concave mirror to focus an image of a distant object on a screen
- Measure the distance between the mirror and the screen
- Record and analyze the results to determine the focal length

Why is it important to know the focal length of a concave mirror?

- Mentor Integrated Science (pg. 137)
- Concave mirrors
- Rulers
- White screens or plain paper
- Mirror holders
- Mentor Integrated Science (pg. 140)
- Plain paper
- Pencils
- Drawing instruments

- Observation - Practical assessment - Written reports

Force and Energy

Curved mirrors - Image formation by concave mirrors (beyond C)

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

- Draw ray diagrams to locate images when objects are placed beyond C
- Describe the characteristics of images formed
- Appreciate the systematic approach in determining image properties

- Draw ray diagrams to locate images when objects are placed beyond the center of curvature
- Use the ray diagrams to determine image characteristics (size, position, nature)
- Compare theoretical predictions with practical observations

What are the characteristics of images formed when objects are placed beyond the center of curvature?

- Mentor Integrated Science (pg. 143)
- Concave mirrors
- Drawing instruments
- Digital resources

- Observation - Ray diagram assessment - Written descriptions

Force and Energy

Curved mirrors - Image formation by concave mirrors (at C)
Curved mirrors - Image formation by concave mirrors (between C and F)

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

- Draw ray diagrams to locate images when objects are placed at C
- Describe the characteristics of images formed
- Show curiosity in investigating image formation

- Draw ray diagrams to locate images when objects are placed at the center of curvature
- Determine the characteristics of images formed
- Verify the results through practical observation

What are the characteristics of images formed when objects are placed at the center of curvature?

- Mentor Integrated Science (pg. 144)
- Concave mirrors
- Drawing instruments
- Digital resources
- Mentor Integrated Science (pg. 145)

- Observation - Ray diagram assessment - Written descriptions

Force and Energy

Curved mirrors - Image formation by concave mirrors (at F)
Curved mirrors - Image formation by concave mirrors (between F and P)
Curved mirrors - Characteristics of images formed by concave mirrors

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

- Draw ray diagrams to locate images when objects are placed at F
- Describe the characteristics of images formed
- Show interest in understanding special cases of image formation

- Draw ray diagrams to locate images when objects are placed between F and P
- Describe the characteristics of images formed
- Appreciate the practical applications of this image formation

- Draw ray diagrams to locate images when objects are placed at the principal focus
- Analyze what happens to reflected rays when objects are at F
- Discuss the concept of images formed at infinity
- Draw ray diagrams to locate images when objects are placed between the principal focus and the pole
- Determine the characteristics of images formed
- Discuss practical applications like magnifying mirrors

What happens to the image when an object is placed at the principal focus of a concave mirror?
What are the characteristics of images formed when objects are placed between the principal focus and the pole?

- Mentor Integrated Science (pg. 147)
- Concave mirrors
- Drawing instruments
- Digital resources
- Mentor Integrated Science (pg. 148)
- Concave mirrors
- Drawing instruments
- Digital resources
- Mentor Integrated Science (pg. 149)
- Previous ray diagrams

- Observation - Ray diagram assessment - Class discussion assessment
- Observation - Ray diagram assessment - Written descriptions

Force and Energy

Curved mirrors - Locating images formed by concave mirrors experimentally
Curved mirrors - Terms associated with convex mirrors

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

- Set up an experiment to locate images formed by concave mirrors
- Record and analyze experimental observations
- Show interest in practical verification of theoretical concepts

- Set up experiments to locate images formed by concave mirrors for different object positions
- Record observations in a structured table
- Compare experimental results with theoretical predictions

How can we experimentally verify the characteristics of images formed by concave mirrors?

- Mentor Integrated Science (pg. 150)
- Concave mirrors
- Mirror holders
- Screens
- Candles or light sources
- Rulers
- Mentor Integrated Science (pg. 153)
- Convex mirrors
- Digital resources
- Charts showing the structure of convex mirrors

- Observation - Practical assessment - Written reports

Force and Energy

Curved mirrors - Ray diagrams for convex mirrors

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

- Draw conventional ray diagrams for convex mirrors
- Identify the four special rays used in ray diagrams for convex mirrors
- Show interest in the ray diagram approach to locate images

- Draw conventional ray diagrams of convex mirrors
- Identify and draw the four types of rays used in ray diagrams for convex mirrors
- Analyze how these rays help locate images

How do ray diagrams help in locating images formed by convex mirrors?

- Mentor Integrated Science (pg. 154)
- Plain paper
- Rulers
- Pencils
- Drawing instruments

- Observation - Drawing assessment - Written assignments

Force and Energy

Curved mirrors - Image formation by convex mirrors
Curved mirrors - Locating images formed by convex mirrors experimentally

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

- Draw ray diagrams to locate images formed by convex mirrors
- Describe the characteristics of images formed by convex mirrors
- Appreciate the consistent nature of images formed by convex mirrors

- Draw ray diagrams to locate images formed by convex mirrors for different object positions
- Determine the characteristics of images formed
- Discuss why convex mirrors always form virtual, upright, and diminished images

What are the characteristics of images formed by convex mirrors?

- Mentor Integrated Science (pg. 156)
- Convex mirrors
- Drawing instruments
- Digital resources
- Mentor Integrated Science (pg. 159)
- Mirror holders
- Objects of various sizes
- Rulers

- Observation - Ray diagram assessment - Written descriptions

Force and Energy

Curved mirrors - Applications of curved mirrors (concave mirrors)
Curved mirrors - Applications of curved mirrors (convex mirrors)
Curved mirrors - Applications of curved mirrors (parabolic reflectors)

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

- Identify applications of concave mirrors in daily life
- Explain how the properties of concave mirrors make them suitable for specific applications
- Appreciate the practical importance of curved mirrors

- Identify applications of parabolic reflectors in daily life
- Explain how the focusing properties of parabolic reflectors make them suitable for specific applications
- Show interest in advanced applications of curved mirrors

- Research and discuss applications of concave mirrors (magnifying mirrors, dentist mirrors, solar concentrators, projectors)
- Explain how the image-forming properties of concave mirrors relate to their applications
- Demonstrate applications using actual mirrors where possible
- Research and discuss applications of parabolic reflectors (solar cookers, car headlamps, photography equipment)
- Explain the special focusing properties of parabolic surfaces
- Demonstrate applications using models or examples

What are the practical applications of concave mirrors in our daily lives?
What are the practical applications of parabolic reflectors in our daily lives?

- Mentor Integrated Science (pg. 161)
- Concave mirrors
- Digital resources
- Examples of devices using concave mirrors
- Mentor Integrated Science (pg. 162)
- Convex mirrors
- Examples of devices using convex mirrors
- Mentor Integrated Science (pg. 163)
- Digital resources
- Examples of devices using parabolic reflectors

- Observation - Oral presentations - Written assignments
- Observation - Oral presentations - Group projects

Force and Energy

Waves - Meaning of waves
Waves - Generating waves in nature

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

- Explain the meaning of waves in science
- Describe waves as a transmission of disturbance that carries energy
- Show interest in understanding wave phenomena in nature

- Read the story about John and ripples in the dam
- Discuss what happens when an object is dropped in still water
- Observe the movement of water waves and how they transport energy without moving matter

How are waves applied in our day to day life?

- Mentor Integrated Science (pg. 166)
- Basin with water
- Small objects to drop in water
- Digital resources
- Mentor Integrated Science (pg. 167)
- Rope
- Speakers
- Rice or sand

- Observation - Oral questions - Written assignments

Force and Energy

Waves - Transverse and longitudinal waves
Waves - Classifying waves

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

- Differentiate between transverse and longitudinal waves
- Demonstrate the generation of both types of waves using a slinky spring
- Show interest in classifying waves based on particle movement

- Use a slinky spring to demonstrate transverse waves (moving left to right)
- Use a slinky spring to demonstrate longitudinal waves (moving to-and-fro)
- Compare the motion of particles in both types of waves
- Observe and record the differences between these wave types

What is the difference between transverse and longitudinal waves?

- Mentor Integrated Science (pg. 169)
- Slinky springs
- Cloth pieces for marking
- Digital resources showing wave motion
- Mentor Integrated Science (pg. 171)
- Digital resources
- Charts showing different wave types
- Wave demonstration equipment

- Observation - Practical assessment - Drawings and diagrams - Written reports

Force and Energy

Waves - Amplitude and wavelength

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

- Define amplitude and wavelength of waves
- Identify these parameters on wave diagrams
- Appreciate the importance of these measurements in wave description

- Study diagrams of transverse and longitudinal waves
- Discuss the meaning of amplitude and wavelength
- Identify amplitude and wavelength on various wave diagrams
- Measure these parameters on drawn wave patterns

How are amplitude and wavelength measured in different types of waves?

- Mentor Integrated Science (pg. 172)
- Wave diagrams
- Rulers
- Graph paper
- Digital simulations

- Observation - Practical measurements - Diagram labeling - Written assignments

Force and Energy

Waves - Frequency and period
Waves - Practical: Period of waves
Waves - Wave speed

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

- Define frequency and period of waves
- Describe the relationship between frequency and period
- Show interest in quantitative aspects of wave motion

- Explain how to determine the speed of a wave
- Apply the wave speed equation v = fλ
- Show interest in mathematical relationships in wave phenomena

- Search for the meaning of frequency and period using digital or print resources
- Discuss the motion of a mass on a string to illustrate oscillation
- Create displacement-time graphs for oscillating objects
- Establish the relationship between frequency and period
- Discuss how to calculate wave speed using the distance-time method
- Introduce the wave equation speed = wavelength × frequency
- Solve example problems involving wave speed calculations
- Perform calculations with different wave parameters

What is the relationship between frequency and period in wave motion?
How is the speed of a wave determined?

- Mentor Integrated Science (pg. 173)
- Digital resources
- String and masses
- Stopwatches
- Graph paper
- Mentor Integrated Science (pg. 175)
- Stands with clamps
- Strings
- Masses
- Mentor Integrated Science (pg. 176)
- Calculators
- Wave speed problems
- Digital resources
- Wave demonstration equipment

- Observation - Practical assessment - Graph analysis - Written assignments
- Observation - Problem-solving exercises - Mathematical calculations - Written assignments

Force and Energy

Waves - Phase of waves
Waves - Oscillation in phase

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

- Explain the concept of phase in wave motion
- Differentiate between in-phase and out-of-phase oscillations
- Appreciate the mathematical precision in describing wave relationships

- Conduct experiments with identical pendulums oscillating in phase
- Observe pendulums with same frequency but different amplitudes
- Compare pendulums oscillating in opposite directions
- Create and analyze displacement-time graphs for different phase relationships

What determines whether waves are in phase or out of phase?

- Mentor Integrated Science (pg. 178)
- Stands with clamps
- Strings and identical masses
- Stopwatches
- Graph paper
- Mentor Integrated Science (pg. 179)
- Pendulum apparatus
- Measuring equipment

- Observation - Practical assessment - Graph interpretation - Written reports

Force and Energy

Waves - Oscillation out of phase
Waves - Characteristics of waves: straight-line motion

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

- Set up pendulums oscillating out of phase
- Compare the displacement-time graphs of out-of-phase oscillations
- Value the mathematical description of wave phenomena

- Set up identical pendulums oscillating out of phase
- Record and compare the motion patterns
- Create displacement-time graphs for out-of-phase oscillations
- Analyze the phase difference between oscillations

What are the characteristics of oscillations that are out of phase?

- Mentor Integrated Science (pg. 181)
- Pendulum apparatus
- Stopwatches
- Measuring equipment
- Graph paper
- Mentor Integrated Science (pg. 183)
- Ripple tank
- Water
- Paper for tracing
- Rulers

- Observation - Practical assessment - Graph construction and analysis - Written reports

Force and Energy

Waves - Characteristics of waves: reflection

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

- Demonstrate reflection of waves in a ripple tank
- Verify that waves obey the laws of reflection
- Appreciate that various wave types follow similar behavior patterns

- Set up a ripple tank with barriers to demonstrate wave reflection
- Observe reflection patterns with barriers at different angles
- Compare the incident and reflected waves
- Verify the laws of reflection for water waves

How are waves reflected at barriers?

- Mentor Integrated Science (pg. 184)
- Ripple tank
- Water
- Metal strips as reflectors
- Paper for tracing wave patterns

- Observation - Practical assessment - Drawing analysis - Written reports

Force and Energy

Waves - Characteristics of waves: bending
Waves - Characteristics of waves: diffraction
Waves - Remote sensing in relation to waves
Waves - Transmission, absorption and reflection in remote sensing

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

- Demonstrate bending (refraction) of waves in a ripple tank
- Explain how wave speed changes with medium depth
- Show interest in how waves interact with different media

- Describe remote sensing process
- Explain the role of waves in remote sensing
- Show interest in technological applications of wave properties

- Set up a ripple tank with shallow and deep regions
- Generate waves and observe their behavior at the boundary
- Measure and compare wavelengths in different depth regions
- Relate wavelength changes to speed changes
- Search for information about remote sensing using digital resources
- Discuss the remote sensing process and how waves are used
- Identify where absorption and reflection occur in remote sensing
- Prepare and present findings on remote sensing

How do waves bend when moving between different media?
How is remote sensing related to waves?

- Mentor Integrated Science (pg. 185)
- Ripple tank
- Water
- Glass plate to create shallow region
- Paper for tracing wave patterns
- Mentor Integrated Science (pg. 186)
- Metal barriers with adjustable gaps
- Mentor Integrated Science (pg. 187)
- Digital resources
- Diagrams of remote sensing processes
- Video clips on remote sensing
- Mentor Integrated Science (pg. 188)
- Examples of remote sensing data

- Observation - Practical assessment - Drawing analysis - Written reports
- Observation - Research reports - Oral presentations - Written assignments

Force and Energy

Waves - Applications of waves in everyday life

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

- Identify various applications of waves in everyday life
- Explain how wave properties are utilized in different technologies
- Appreciate the importance of waves in modern society

- Research applications of waves in everyday life (communication, medical imaging, entertainment)
- Discuss how specific wave properties are utilized in different applications
- Present findings on wave applications
- Relate wave theory to practical applications

What are the practical applications of waves in our everyday life?

- Mentor Integrated Science (pg. 190)
- Digital resources
- Examples of wave-based technologies
- Video clips on wave applications

- Observation - Research reports - Oral presentations - Written assignments