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Elementary School: 3rd, 4th & 5th Grade
Science
Light
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Q.1
How fast does light travel?
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120 kilometers per hour
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3,000 kilometers per hour
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3,000 kilometers per second
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300,000 kilometers per second
Q.2
Imagine a candle flame. Light from the candle flame travels in which direction?
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In arcs
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In straight lines
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In random lines
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All of the above
Q.3
If you half fill a clear glass with water and place a straw in the glass, how does the straw appear when you look at it carefully?
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It appears normal
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It seems to change color
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It appears bent or broken
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It disappears completely
Q.4
There are forms of light which are invisible to the human eye. Which of these is an example?
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Ultraviolet
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Reflections
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Dark matter
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Starlight
Q.5
Light travels slightly more slowly through air than through space. It is slowed down a little bit more by glass and which of the following?
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Metal
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Water
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Concrete
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Wood
Q.6
Why does a green apple look green?
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It absorbs green light, but reflects the other colors
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It reflects green light, but absorbs all of the other colors
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It absorbs green light, but transmits all of the other colors
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It transmits all of the light
Q.7
Which of these is a source of light?
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A candle flame
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The Sun
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The Moon
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A torch
Q.8
How will a beam of light shining on a glass prism behave?
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It will be refracted
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It will be completely reflected
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It will be completely absorbed
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It will not be changed at all, instead being perfectly transmitted
Q.9
Visible light contains many colors. Which of the following is one of these colors?
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Green
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Yellow
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Black
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Red
Q.10
A submarine's periscope allows someone on the boat to see objects that are above the water. How is this possible?
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Light reflecting off the object curves as it enters the periscope
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Light reflecting off the object is transmitted as it enters the periscope
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Mirrors within the periscope reflect the light, enabling it to change direction
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Periscope is another name for window
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