Light - Dispersion and Colour Filters - Distance Learning and Homeschool for KS3

This is an action-packed distance learning or home school lesson on white light, diffusion and color filters for KS3

This resource has been designed so that the animated PowerPoint replaces the teacher by providing structure, sequence, knowledge and answers. The worksheets, cut-out, foldable and progress check provide a familiar medium for students to develop and test their knowledge, continue to develop their literacy skills and use their creativity to organise their learning and assess their progress.

What’s Covered

• The order of the seven colours of the spectrum
• Dispersion is the separation of white light into the seven different colors of the spectrum.
• During dispersion, red light is refracted the least and violet light the most.
• Dispersion is caused by the fact that each colour of light travels at a different speed in glass.
• Red, green and blue are primary light colors.
• Magenta, cyan and yellow are secondary light colors.
• Mixing two primary light colours gives a secondary light color.
• Mixing the three primary light colors gives white light.
• An object only reflects light the same color as itself and absorbs all the others
• Work out the color an object appears in different light color

Resources

1. An animated PowerPoint which guides the student through the lesson by:

• explaining how to use distance learning effectively;
• explaining how to use this resource;
• explaining current, voltage and resistance and the relationship between them;
• providing the answers to all the worksheets so that the students can mark and correct their work.

1. Four worksheets, and two cut-out activities, the answers to which are in the PowerPoint.

2. A foldable and cut-out activity so that students can record and organise their learning.

3. A checklist for students to use to assess their progress.

4. Digital quick test

5. For those students without internet or a computer or a computer at home a condensed printable copy of the PowerPoint is provided for distribution by school.

Ways to Use this Resource

• Upload PowerPoint and worksheets to school intranet. Students print their own worksheets.
• Upload PowerPoint and worksheets to school intranet and provide a hardcopy of worksheets for students. Those families who do not wish to collect worksheets or who are in isolation can print the worksheets at home.
• Students without photocopying facilities are instructed to write their answers in full sentences

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