Unit 4: Light, Mirrors and Waves — Integrated Science

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Integrated Science · Grade 9 CBCEvergain Limited · Interactive Digital Content

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Unit 4: Light, Mirrors and Waves

Force and Energy — 2 lesson(s): Curved Mirrors: Concave, Convex and the Images They Form; Waves: Transverse, Longitudinal and Their Characteristics.

Concave mirrorConvex mirrorPrincipal focusFocal lengthCentre of curvatureWaveTransverse waveLongitudinal waveWavelengthFrequency

By the end of the lesson the learner can distinguish concave (converging) from convex (diverging) mirrors.
By the end of the lesson the learner can name the parts of a spherical mirror such as the pole, centre of curvature and principal focus.
By the end of the lesson the learner can state uses of curved mirrors in everyday Kenyan life.
By the end of the lesson the learner can distinguish transverse from longitudinal waves.
By the end of the lesson the learner can define wavelength, frequency, amplitude and speed.
By the end of the lesson the learner can use the wave equation to calculate speed, frequency or wavelength.

▶ Begin unit · 42 activities

Curved Mirrors: Concave, Convex and the Images They Form

ReadingCurved Mirrors: Concave, Convex and the Images They Form20 min Video LessonConcave & Convex Mirrors I Optics I Physics8 min Audio / PodcastListen: Curved Mirrors6 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q12 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q22 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q32 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q42 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q52 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q62 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q72 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q82 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q92 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q102 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q112 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q122 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q132 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q142 min Multiple ChoiceCurved Mirrors: Concave, Convex and the Images They Form — Q152 min Matching PairsCurved Mirrors: Concave, Convex and the Images They Form — Key Terms4 min Learning GameMirror flashcards4 min AnimationParallel rays converge to a focus in a concave mirror and sp3 min

Waves: Transverse, Longitudinal and Their Characteristics

ReadingWaves: Transverse, Longitudinal and Their Characteristics20 min Video LessonIntroduction to Waves8 min Audio / PodcastListen: Waves6 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q12 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q22 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q32 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q42 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q52 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q62 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q72 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q82 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q92 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q102 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q112 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q122 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q132 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q142 min Multiple ChoiceWaves: Transverse, Longitudinal and Their Characteristics — Q152 min Matching PairsWaves: Transverse, Longitudinal and Their Characteristics — Key Terms4 min Learning GameWave words match4 min AnimationA transverse wave shows wavelength, amplitude and frequency 3 min

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