Learning objectives
- To investigate what affects the angle of the reflected ray.
- Working scientifically: To record results as a line graph.
Success criteria
- I can recall
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National curriculum
Science
Light
Pupils should be taught to:
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Cross-curricular links
English
Spoken language
Pupils should be taught
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Before the lesson
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Lesson plan
Recap and recall
Display the Presentation: Casting a shadow which shows an image of shadow puppetry.
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Extended-mode explainer videos
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Adaptive teaching
Pupils needing extra support
Should use the Activity: Investigating reflected light: support version when measuring the angles and writing their conclusion; could review how to use a protractor before the lesson.
Pupils working at greater depth
Should consider how alternative materials to the mirror (like paper or crinkled foil) could affect the reflection relationship observed, for example, the paper is not shiny so it does not reflect light uniformly, or the foil is not smooth so light will be reflected in different directions; could answer how this rule of reflection can be useful to us; should compare the demonstrations of light through a piece of hose and light passing through a stream of water.
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Assessing progress and understanding
Pupils with secure understanding indicated by: describing how light is reflected from a
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Knowledge outcomes
- I can recall that light is reflected from a smooth mirror surface.
- I can recall that the light ray approaching the smooth mirror is the incoming ray.
- I can recall that the light reflected from the plane mirror surface is the reflected ray.
- I can describe that as the angle of the incoming ray increases, the angle of the reflected ray also increases.
- I can describe that the angle of the reflected ray is the same as that of the reflected ray.
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Vocabulary definitions
-
extrapolate
To predict missing results using the data collected.
-
incoming ray
The ray of light travelling towards a surface.
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In this unit
Maintained by: Kapow Primary team
Last update: 17th October, 2024
