Force and Energy

Curved mirrors - Types of curved mirrors

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

- Identify different types of curved mirrors
- Describe curved mirror surfaces
- Show interest in curved mirrors

- Observe different reflector surfaces
- Discuss the description of concave, convex and parabolic reflectors
- Compare the surfaces of different curved mirrors

How are curved mirrors used in day-to-day life?

- KLB Integrated Science pg. 147
- Car driving mirrors
- Car headlight reflectors
- Laboratory curved mirrors
- Digital content on curved mirrors
- Digital resources
- Drawing materials

- Observation - Oral questions - Written assignments

Force and Energy

Curved mirrors - Images formed by concave and convex mirrors

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

- Define terms used in curved mirrors
- Identify parts of curved mirrors
- Show interest in terminology used in optics

- Describe the pole of a mirror
- Explain the center of curvature and radius of curvature
- Show interest in features of curved mirrors

- Study diagrams illustrating parts of curved mirrors
- Search the Internet and relevant print materials for meanings of optical terms
- Discuss terms used in curved mirrors
- Locate the pole, center of curvature, and radius on diagrams
- Draw and label the parts of curved mirrors
- Discuss the significance of each feature

What are the key terms used in describing curved mirrors?
How do the parts of curved mirrors relate to image formation?

- KLB Integrated Science pg. 148
- Internet resources
- Digital devices
- Geometrical sets
- Curved mirrors
- KLB Integrated Science pg. 149
- Diagrams of curved mirrors
- Geometrical sets
- Drawing materials
- KLB Integrated Science pg. 150

- Observation - Oral questions - Written assignments
- Observation - Drawing assessment - Oral questions

Force and Energy

Curved mirrors - Focal length

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

- Define focal length of curved mirrors
- Determine focal length experimentally
- Show interest in measuring optical parameters

- Define focal length
- Set up an experiment to determine focal length
- Measure and record focal length values

How can we determine the focal length of a curved mirror?

- KLB Integrated Science pg. 152
- Concave mirrors
- Meter rule
- White screen
- Mirror holder

- Observation - Practical skills assessment - Written reports

Force and Energy

Curved mirrors - Position of image formed by concave mirrors
Curved mirrors - Position of image formed by convex mirrors

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

- Locate images formed by concave mirrors experimentally
- Describe image characteristics for different object positions
- Show interest in image formation

- Set up apparatus to locate images formed by concave mirrors
- Place objects at different positions relative to the mirror
- Record image characteristics for each position

How do image characteristics change with object position?

- KLB Integrated Science pg. 153
- Concave mirrors
- Mirror holders
- Meter rules
- Screens
- Candles
- KLB Integrated Science pg. 154
- Convex mirrors
- Objects

- Observation - Practical skills assessment - Written reports

Force and Energy

Curved mirrors - Rays commonly used for ray diagram construction

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

- Identify rays used in ray diagram construction
- Explain how different rays are reflected
- Show interest in ray diagram construction

- Search the Internet for information on ray behavior
- Sketch ray diagrams showing reflection of different rays
- Discuss with peers and display sketches

Which rays are most useful for locating images in ray diagrams?

- KLB Integrated Science pg. 155
- Internet resources
- Digital devices
- Manila paper
- Drawing materials

- Observation - Drawing assessment - Oral questions

Force and Energy

Curved mirrors - Rays commonly used for ray diagram construction

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

- Explain how rays parallel to the principal axis are reflected
- Describe the reflection of rays passing through focal points
- Show interest in ray behavior

- Construct ray diagrams for convex mirrors
- Locate images using ray diagrams
- Compare ray diagrams for concave and convex mirrors

- Draw ray diagrams showing reflection patterns
- Discuss how different rays behave after reflection
- Create summary charts of ray behavior
- Draw ray diagrams for convex mirrors
- Use ray diagrams to locate images
- Compare with concave mirror ray diagrams

How does understanding ray behavior help in locating images?
How do ray diagrams for convex mirrors differ from those for concave mirrors?

- KLB Integrated Science pg. 156
- Drawing materials
- Manila paper
- Ruler and protractor
- Reference materials
- KLB Integrated Science pg. 157
- KLB Integrated Science pg. 159
- Manila paper
- Drawing materials
- Ruler and protractor
- Reference materials

- Observation - Drawing assessment - Oral questions
- Observation - Drawing assessment - Written assignments

Force and Energy

Curved mirrors - Uses of concave mirrors

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

- Explain applications of concave mirrors
- Relate object positions to specific applications
- Show interest in practical applications

- Search for information on applications of concave mirrors
- Relate applications to image characteristics
- Present findings to class

What makes concave mirrors suitable for specific applications?

- KLB Integrated Science pg. 161
- Digital devices
- Internet connectivity
- Charts of ray diagrams
- Digital resources
- Torch with reflector

- Observation - Oral presentations - Written assignments

Force and Energy

Curved mirrors - Uses of concave mirrors

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

- Explain the use of concave mirrors in astronomy
- Describe applications in dental examination
- Show interest in specialized applications

- Discuss the principle of reflection telescopes
- Explain how dental mirrors provide magnified images
- Research other specialized applications

How do concave mirrors contribute to professional fields?

- KLB Integrated Science pg. 162
- Digital resources
- Internet connectivity
- Reference materials

- Observation - Oral presentations - Written assignments

Force and Energy

Curved mirrors - Uses of convex mirrors

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

- Explain applications of convex mirrors
- Describe security and safety uses
- Show interest in practical applications

- Discuss the use of convex mirrors for surveillance
- Explain their applications in security systems
- Research use at road junctions and corners

How do convex mirrors enhance security and safety?

- KLB Integrated Science pg. 163
- Digital resources
- Internet connectivity
- Reference materials
- KLB Integrated Science pg. 164

- Observation - Oral questions - Written assignments

Force and Energy

Curved mirrors - Review and assessment
Waves - Generation of waves

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

- Summarize key concepts about curved mirrors
- Apply knowledge to solve problems
- Show confidence in understanding curved mirrors

- Define waves in scientific terms
- Describe how waves are generated
- Show interest in wave phenomena

- Review main concepts in curved mirrors
- Answer revision questions
- Discuss solutions to problems
- Observe waves created in water
- Generate sound waves using a drum/speaker
- Discuss energy transfer through waves

How does understanding curved mirrors help us in daily life?
What are waves and how are they generated?

- KLB Integrated Science pg. 166
- Previous notes
- Assessment questions
- Reference materials
- KLB Integrated Science pg. 170
- Water in a basin
- Drum
- Speaker connected to radio
- Small stones

- Written test - Observation - Oral questions
- Observation - Oral questions - Written assignments

Force and Energy

Waves - Classification of waves

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

- Generate longitudinal waves
- Describe characteristics of longitudinal waves
- Show interest in wave classification

- Use a slinky spring to generate longitudinal waves
- Observe particle displacement direction
- Compare with wave travel direction

What distinguishes longitudinal waves from other wave types?

- KLB Integrated Science pg. 172
- Slinky spring
- Rope
- Smooth surface
- Rigid support
- KLB Integrated Science pg. 173

- Observation - Practical skills assessment - Written assignments

Force and Energy

Waves - Characteristics of waves

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

- Identify parts of a wave
- Measure the amplitude of a wave
- Show interest in wave properties

- Generate waves with a slinky spring
- Identify and measure amplitude
- Draw wave patterns

What are the key components that define a wave?

- KLB Integrated Science pg. 175
- Slinky spring
- Meter rule
- Chalk
- Drawing materials

- Observation - Measurement skills assessment - Written assignments

Force and Energy

Waves - Characteristics of waves
Waves - Frequency and periodic time

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

- Define wavelength
- Identify crests and troughs
- Explain wave phase

- Generate waves and identify crests and troughs
- Measure wavelength
- Identify points in phase

How is wavelength measured and what is its significance?

- KLB Integrated Science pg. 177
- Slinky spring
- Meter rule
- Chalk
- Drawing materials
- KLB Integrated Science pg. 180
- Stopwatch

- Observation - Measurement skills assessment - Written assignments

Force and Energy

Waves - Frequency and periodic time
Waves - Speed of a wave

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

- Solve problems involving frequency and periodic time
- Draw displacement-time graphs
- Show interest in wave calculations

- Define wave speed
- Derive the wave equation
- Apply the wave equation to solve problems

- Practice solving problems with frequency and period
- Draw and interpret wave graphs
- Discuss the significance of frequency in real applications
- Derive the relationship between wavelength, frequency and wave speed
- Practice using the wave equation
- Solve sample problems

How does frequency affect wave behavior and applications?
How are wavelength, frequency, and wave speed related?

- KLB Integrated Science pg. 181
- Calculators
- Graph paper
- Reference materials
- Problem sets
- KLB Integrated Science pg. 183
- Calculators
- Reference materials
- Problem sets
- KLB Integrated Science pg. 184
- Chart paper

- Observation - Problem-solving assessment - Written assignments

Force and Energy

Waves - Properties of waves

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

- Demonstrate reflection of waves
- Explain how waves are reflected
- Show interest in wave properties

- Set up a ripple tank to demonstrate wave reflection
- Observe reflection patterns from different surfaces
- Compare with reflection of light

How do waves behave when they encounter boundaries?

- KLB Integrated Science pg. 186
- Ripple tank
- Straight edge
- Metal reflectors
- Water

- Observation - Practical skills assessment - Written reports

Force and Energy

Waves - Properties of waves

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

- Demonstrate refraction of waves
- Explain how waves are refracted
- Show interest in wave behavior

- Set up a ripple tank with regions of different depths
- Observe changes in wave speed and wavelength
- Discuss the principle of refraction

What happens to waves when they pass from one medium to another?

- KLB Integrated Science pg. 187
- Ripple tank
- Glass block
- Water
- Wave generator
- KLB Integrated Science pg. 188
- Metal barriers

- Observation - Practical skills assessment - Written reports

Force and Energy

Waves - Remote sensing

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

- Define remote sensing
- Explain the principles of remote sensing
- Show interest in remote sensing applications

- Study photographs of environments
- Discuss the source of energy in photography
- Research remote sensing processes

What is remote sensing and how does it work?

- KLB Integrated Science pg. 189
- Digital resources
- Photographs
- Internet connectivity

- Observation - Oral questions - Written assignments

Force and Energy

Waves - Remote sensing
Waves - Applications of waves

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

- Explain the components of remote sensing
- Describe the remote sensing process
- Show interest in remote sensing technology

- Explain the use of waves in surgery
- Describe applications in cancer therapy
- Show interest in medical treatments

- Discuss sources of waves in remote sensing
- Explain interaction between waves and targets
- Create diagrams of remote sensing processes
- Research laser surgery applications
- Discuss radiation therapy for cancer
- Create information posters

What are the requirements for remote sensing to take place?
How have waves revolutionized medical treatments?

- KLB Integrated Science pg. 190
- Digital resources
- Internet connectivity
- Drawing materials
- KLB Integrated Science pg. 191
- Presentation materials
- KLB Integrated Science pg. 192
- Digital resources
- Internet connectivity
- Poster materials

- Observation - Diagram assessment - Written assignments
- Observation - Poster assessment - Written assignments

Force and Energy

Waves - Applications of waves

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

- Describe communication applications of waves
- Explain principles of wireless communication
- Show interest in telecommunications

- Research applications in radio, television, and mobile phones
- Discuss radar and satellite communications
- Create charts showing different communication systems

How have waves transformed communication systems?

- KLB Integrated Science pg. 193
- Digital resources
- Internet connectivity
- Chart materials
- KLB Integrated Science pg. 194
- Table templates

- Observation - Chart assessment - Written assignments

Force and Energy

Waves - Review and assessment

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

- Summarize key concepts about waves
- Apply knowledge to solve wave problems
- Show confidence in understanding waves

- Review main wave concepts
- Answer revision questions
- Discuss solutions to problems

How does understanding waves help us explain natural phenomena?

- KLB Integrated Science pg. 195
- Previous notes
- Assessment questions
- Reference materials

- Written test - Observation - Oral questions