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F1 8.7 Addition and Subtraction of Light

F1 8.7 Addition and Subtraction of Light

Assessment

Presentation

Science

6th - 8th Grade

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Created by

MAANV LOGAN

Used 3+ times

FREE Resource

22 Slides • 13 Questions

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credits to Ms Teo Ham for the original slides

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​Let's mix the light

​https://www.physicsclassroom.com/Physics-Interactives/Light-and-Color/RGB-Color-Addition/RGB-Color-Addition-Interactive

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8

Multiple Choice

Which of the following is NOT a primary color of light?

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Red

2

Blue

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Yellow

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Green

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Multiple Select

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The magenta light is a mix of which two primary colours?

1

red

2

green

3

blue

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Multiple Choice

The process of mixing primary coloured lights to produce secondary coloured lights.

This process related to

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Dispersion of light

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Addition of light

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Subtraction of light

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Refraction of light

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Multiple Choice

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Diagram shows light colour addition. What colour is formed at X?

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White

2

Black

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Multiple Choice

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Cyan is a addition of 

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red-green

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green-blue

3

blue-red

4

red-white

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Multiple Choice

The light which has the same colour as the colour of the opaque objects will be reflected directly into our eyes, while the light of other colours will be absorbed by objects. This phenomenon is known as

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Dispersion of light

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Addition of light

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Subtraction of light

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Refraction of light

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Multiple Choice

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Which color will pass through the filter?

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Red only

2

Blue and Violet

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Green

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All colors

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​Secondary coloured filters allow the same coloured light and the 2 primary colours it made of

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Multiple Select

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White light is shined through a magenta filter. Which of the following will be BLOCKED by the filter? (choose all that apply)

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Red

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Blue

3

Green

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Magenta

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Multiple Choice

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what is the colour of light that can be observed on the screen?

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red

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green

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blue

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black

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Multiple Choice

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How does light behave when hitting this shirt?

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Yellow is absorbed; all other colors are reflected.

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Yellow is reflected; all other colors are absorbed.

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All colors are absorbed, but yellow is refracted.

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Yellow is scattered and all other colors are absorbed.

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Multiple Choice

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How will this object appear when looking at it through a blue filter?

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Blue

2

Green

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Black

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Orange

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Multiple Choice

Black objects appear black because they ........ all colours in white light.

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reflect

2

absorb

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Multiple Choice

Below are the examples of the addition and subtraction of light in daily life except

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A colour television

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Coloured lights in a stadium

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Twinkling stars

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Coloured lights in the fountain in front of KLCC

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credits to Ms Teo Ham for the original slides

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