S K Y G L O W
Presentation
•
Science
•
1st Grade
•
Hard
tyshae terrasg
Used 10+ times
FREE Resource
9 Slides • 5 Questions
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While exploring the observatory, you realise that there's a laptop with a glitched screen. You walk towards it and touched the mousepad
Suddenly...the screen lights up…
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S K Y G L O W !
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INTRODUCTION
Take a quick read of the newspaper clipping on the right to understand more on sky glow and why it is a form of light pollution!
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Multiple Choice
What is sky glow?
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Q1: Definition of sky glow
Ans: Brightening of the night sky in a built-up area
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Multiple Select
What are the man-made causes of sky glow?
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Q2: Causes of sky glow
Man-made: electric lights of cars, street lamps, factories & buildlings; lights from outdoor advertisements; anthropogenic activities
Natural: Faint air glow in the upper atmosphere; Background light from faint unresolved stars
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Multiple Choice
Why is sky glow a form of light pollution?
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Q3: Why is sky glow a form of light pollution?
Ans: reduces the contrast of stars in the night sky
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Multiple Select
Where is sky glow commonly visible at?
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Q4: Where is sky glow commonly visible at?
cities and towns throughout the world
above over-illuminated commercial areas, sport complexes & stadiums
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Multiple Select
What are the effects of sky glow? Tick all that apply.
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Q5: Effects of sky glow?
Disruptions in natural cycles
It is harder for astronomers to view celestial objects
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WHILE WAITING ...
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While exploring the observatory, you realise that there's a laptop with a glitched screen. You walk towards it and touched the mousepad
Suddenly...the screen lights up…
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