ks3 light worksheet

KS3 Light - Scheme of Work and Resources

C reative commons physics teaching resources and scheme of work created by Simon Poliakoff

KS3 - Light

These links take you down to the summary of the activities in each lesson along with the teacher advice video.  Buttons below the image carousel takes you directly to the full written lesson plans pdf and google drive folder of resources.

Google drive folder of SOW resources

pdf of lesson plans for this SOW

Lesson 1 - Seeing with light

Starter questions about light

BEST questions about light and demonstration of light travelling in a straight line

BEST question on how shadows form and modelling shadow formation with string

Light key terms and luminous vs non-luminous

Practical activity: Clasiffying materials as opaque, transparent or translucent including writing sentences using the key terms.

BEST question on how we see and modelling with string

Rules for ray diagrams and spoof assessment of ray diagrams

Students draw ray diagrams showing how we see lumnious and non-luminous objects

BEST Written explanations of how you see a book in a sunny room 

Lesson 1b - Investigating absorption of light

Starter questions about key terms from lesson 1.

Discussion of why testing absorption of materials might be important in context of designing blackout curtains.

Demonstration of the equipment for the investigation.

Discussion of variables and making predictions.

Preliminary investigation

Main investigation

Spoof assessment of graphs.

Graph plotting and conclusions.

Plenary questions

Lesson 2 - The Pinhole Camera

BEST questions about light rays.

Pinhole camera practical with worksheet.

Video to explain how the pinhole camera works .

Practical modelling the pinhole camera  with ray boxes.

Drawing ray diagrams to explain how the pinhole camera works.

Simulation of the pinhole camera

BEST questions about pinhole camera

Extension: simulation about how camera works & simulation about how the eye works

Lesson 3 - Reflection

Starter questions on the pinhole camera.

Introduction to reflection key terms and describe and guess game to practice.

Practical to investigate the law of reflection with printed protractor or without printed protractor.

Practical to see diffuse reflection / scattering from a crumple piece of aluminium foil.

Simulation and drawing ray diagram to show law of reflection.

Describing the nature of the image formed in a plane mirror.

Simulations of ray diagram for image formed in a plane mirror 1 2 3

Self paced instructional about how to draw the ray diagram for the image formed in a plane mirror.

Drawing the ray diagram step by step video (squared paper) .  Harder version on white paper.

Mirascope / floating coin illusion with curved mirrors.

Extension activities: Multiple images in two mirrors , construct a periscope ,  construct a kaleidoscope .

Lesson 4 - Re fraction

Starter questions on reflection.

Person in glass fronted swimming pool photo.

Selection of fun refraction demonstrations (to be explained later in the lesson):

Decapitated head refraction illusion

Disappearing test tube

Making a toy almost invisible and appear with water beads.

Bent pencil illusion

The reappearing penny trick as a practical

Observing refraction in a rectangular block with a ray box practical with template or without.   Optionally observed apparent depth through persepx block.

Models to explain findings and discussion of which way the light bends (towards or away from the normal).   Video of car analogy.   Phet simulation showing ray and wave front models.

Inge Lehman and Ibn Sahl

Refraction key terms

Using ray diagrams to explain all the demonstrations at the start of the lesson.

Next Time Physics - The water bottle solar light.

Extenion: Supermirages - Link 1 and Link 2

Lesson 4b - Refraction Invest igation

Starter questions on refraction

Any of the fun refraction demonstrations not used in the previous lesson.

Discussion of next time physics question from last time

Introduce investigating refraction using semi-circular blocks.  Either using a printed protractor or white paper.

Could use spoof assessment of graphs from lesson 1b if not already used.

Discussion of findings.

Lesson 5 - Lenses and Dispersion

Could easily split into a lesson on dispersion followed by a lesson on lenses.

Discussion of next time physics question from last time (if not done in lesson 4b)

Archer fish and why refraction is important to them.  ( Video clip )

Discuss what photographs of rainbows are showing.

Lenses and dispersion key terms.

Demonstration of spectrum from white light.

Ray box practical of dispersion of white light with worksheet .

Discussion of how dispersion works with video showing how different coloured light is refracted by different amounts (possible as practical)

Dispersion in the phet simulation and attempting to recombine using a second prism.   Screen recording of how to do this .

BEST question on dispersion

Discussion of crystal ball fires

Modelling a simple lens model in the phet bending light simulation.

Ray box practical to see the action of a lens.  

Making a ray box projector practical

Where are lenses used in everyday life and what possible careers might involve lenses discussion.

Other possible activity: Mobile phone projector

Lesson 6 - Coloured Light

Starter questions on dispersion and lenses

Questions around ray diagrams for why we see objects as different colours.

Students draw annotated ray diagrams to show why we see objects as coloured.

Demonstration of different coloured objects on different coloured lights using remote controlled LED bulb,

Writing magically appears demonstration as light changed from red to green.   ( Full video here )

Students write up an explanation using prompt questions / gap fill.

Coloured filter demonstration with red/green filters.

Demonstration of action of colour filters or p ractical with ray boxes and colour filters .

Coloured light and coloured filters simulation - predict what the duck will look like and see if you are correct.

KS3 Light — Printable Worksheet

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About this Worksheet

This is a free printable worksheet in PDF format and holds a printable version of the quiz KS3 Light . By printing out this quiz and taking it with pen and paper creates for a good variation to only playing it online.

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Light – multiple choice

Light – multiple choice

A KS3 quiz suitable as revision or to check students' understanding of light. It includes questions on lenses, coloured light, refracted and reflected light.

The answers to the twelve multiple-choice questions are included on the final slide.

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KS3 ~ Year 7 ~ Light Homework

KS3 ~ Year 7 ~ Light Homework

Subject: Physics

Age range: 11-14

Resource type: Worksheet/Activity

SWiftScience's Shop

Last updated

29 November 2021

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pptx, 629.27 KB

This homework activity is designed for the KS3 Science Course, specifically Year 7 P1.3 Module on ‘Light’

For more lessons designed for KS3 and KS4 please visit my shop at: https://www.tes.com/teaching-resources/shop/SWiftScience .

This activity contains a set of differentiated questions, it also includes additional extra challenge tasks for higher ability students to complete. This worksheet could be used as a homework or as an extension/revision activity in class.

I have included a comprehensive mark scheme for teacher or self-assessment of the work, there are also details of grade boundaries which I use to RAG pupils work, a full explanation of how I do this is included.

Thanks for looking, if you have any questions please let me know @swift_science_education or [email protected] , any feedback would be appreciated :)

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  2. KS3

    pdf, 59.38 KB. This is a whole scheme of work for KS3 - Light. Included in this are powerpoints and worksheets. Included at the start of every powerpoint is a 5 minute lesson plan as well as a technician sheet which includes what sheets are needed, what equipment is needed and what key vocabulary there is. Creative Commons "Sharealike".

  3. www.teachphysics.org

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  7. KS3 Reflection Homework Worksheet

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  19. KS3 ~ Year 7 ~ Light Homework

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