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Y8: Light and colour
Y8: Light and colour
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Slide 1:
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Physics
Lower Secondary (Key Stage 3)
This lesson contains
36 slides
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interactive quizzes
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Items in this lesson
Y8: Light and colour
Slide 1 - Slide
Reflection
Both
Refraction
Light bounces of a surface.
Light passes through a different material.
Light changes direction.
Light changes speed.
Slide 2 - Drag question
Mirror
Normal
Incident ray
Reflected ray
Angle of incidence
Angle of reflection
Slide 3 - Drag question
Normal
Incident ray
Refracted ray
Angle of incidence
Angle of refraction
Slide 4 - Drag question
Slide 5 - Slide
Slide 6 - Slide
Slide 7 - Slide
Light bouncing off a surface is called...
A
Reflection
B
Refraction
C
Dispersion
Slide 8 - Quiz
Light splitting into a spectrum is called...
A
Reflection
B
Refraction
C
Dispersion
Slide 9 - Quiz
What is refraction?
Slide 10 - Open question
Which of the 7 colours has the highest frequency?
A
UV
B
Violet
C
Dark red
D
Infrared
Slide 11 - Quiz
Slide 12 - Slide
Slide 13 - Slide
dispersion
white
prism
violet
red
continuous
Slide 14 - Drag question
What are the primary colours?
Slide 15 - Open question
Slide 16 - Slide
Slide 17 - Slide
Slide 18 - Slide
Slide 19 - Slide
Which colour is NOT a primary colour?
A
Red
B
Yellow
C
Green
D
Blue
Slide 20 - Quiz
What colour do blue and green make?
A
Cyan
B
Magenta
C
Yellow
Slide 21 - Quiz
What colour do blue and red make?
A
Cyan
B
Magenta
C
Yellow
Slide 22 - Quiz
What colour do green and red make?
A
Cyan
B
Magenta
C
Yellow
Slide 23 - Quiz
Red
Green
Blue
Cyan
Slide 24 - Drag question
Slide 25 - Slide
Slide 26 - Slide
A dog appears black because it ............. all colours of light.
A
Absorbs
B
Reflects
Slide 27 - Quiz
Paper appears white because it ............. all colours of light.
A
Absorbs
B
Reflects
Slide 28 - Quiz
A postbox appears red because it reflects ............. light.
A
All
B
Blue
C
Red
D
No
Slide 29 - Quiz
Grass appears green because it absorbs ......................... and ........................ light and reflects ............................. light.
red
green
blue
Slide 30 - Drag question
A ball appears blue because it absorbs ......................... and ........................ light and reflects ............................. light.
red
green
blue
Slide 31 - Drag question
A rubber duck appears yellow because it reflects both ........................... and ........................ light.
red
green
blue
Slide 32 - Drag question
Slide 33 - Slide
Slide 34 - Slide
Slide 35 - Slide
Slide 36 - Slide