
Light Lessons
Presentation
•
Physics, Science
•
4th Grade
•
Medium
Maritess Jacinto
Used 1+ times
FREE Resource
27 Slides • 14 Questions
1
Light, Heat and Sound
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3
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5
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8
Multiple Choice
9
Multiple Choice
Which option best describes a transparent object?
Some light shines through the object
No light shines through the object
All light shines through the object
10
Multiple Choice
Which of the following is a source of artificial light?
Firefly
Lava
Flashlight
Glow stick
11
Multiple Choice
12
Multiple Choice
Which is a transparent object?
Glass
Iron
Copper
Steel
13
Multiple Choice
Light travels in a
Zigzag line
refraction line
straight line
circle
14
Multiple Choice
A student observed that light spreads out as it leaves a light source as shown in the picture above.
Which of the following best explains what occurs because the light spreads out?
Light appears brighter closer to the source.
Light appears dimmer closer to the source.
There is more light as you get farther from the source.
There is less light as you get closer to the source.
15
Multiple Choice
A student observed that light spreads out as it leaves a light source as shown in the picture above.
Which of the following best explains what occurs because the light spreads out?
Light appears brighter closer to the source.
Light appears dimmer closer to the source.
There is more light as you get farther from the source.
There is less light as you get closer to the source.
16
Formation of light
How a rainbow is formed?
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Why Objects Have Different Colors
Objects appear different colours because they absorb some colours (wavelengths) and reflected or transmit other colours.
The colours we see are the wavelengths that are reflected or transmitted.
White objects appear white because they reflect all colours.
Black objects absorb all colours so no light is reflected.
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Secondary Colors
Orange
Green
Purple
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Primary Colors
Red
Yellow
Blue
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How Shadow are Formed?
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Multiple Choice
the closer the object to the screen, the size of shadow will be
smaller
bigger
same
29
Multiple Choice
The closer the object to light, the size of shadow will be
smaller
bigger
same
30
Behaviors of Light when it Strikes Objects.
31
Look in a mirror
Do you know how can you see your image?
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Multiple Choice
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Multiple Choice
39
Multiple Choice
Why does the straw appear to be bent?
light is reflected
light is absorbed
light is turned
light is refracted
40
Multiple Choice
Why does the straw appear to be bent?
light is reflected
light is absorbed
light is turned
light is refracted
41
Light, Heat and Sound
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