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Sunglasses
A Where Project By: Heather Bradshaw
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Why do People Wear Sunglasses?
To protect themselves from Ultraviolet Rays
(UV Rays)
To Prevent GlareTo Look Cool
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What are the Different Parts of
Sunglasses?
The Lenses The FramesThe Hinges
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What can Lenses be Made of?
Plastic• Lightweight• Shatter-resistant• Can block UV Rays• Can be photochromic• Can be polarized to reduce glare
Optical Glass• Can be photochromic• Can be polarized to reduce glare• Great optical quality• Easy to scratch• Shatter easily
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But what non-renewable
resources are in plastic?
Crude Oil#1 Producer: Saudi Arabia#2 Producer: Russia#3 Producer: United States#4 Producer: China#5 Producer: Iran
Natural Gas#1 Producer: Russia#2 Producer: The United States#3 Producer: Canada#4 Producer: Iran#5 Producer: Algeria
Coal#1 Producer: China#2 Producer: The United States#3 Producer: India#4 Producer: Australia#5 Producer: South Africa
Non Renewable Resources are resources that cannot be grown or regenerated at the rate at which they are being
used.
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Limestone#1 Producer: ChinaOther Large Producers:
• India• The United States• Europe
What about Glass?
SilicaMainly produced in:
• The Untied States• Brazil
Sand#1 Producer: Mexico#2 Producer: Canada#3 Producer: Norway#4 Producer: Chile#5 Producer: Australia
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What are the frames made of?
Metal• Tend to last longer than
Plastic Frames
Plastic• Usually less expensive• Not as good quality as metal
frames
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We know where plastic comes from,
but what about some of the metals used in
frames?
Nickel#1 Producer: China#2 Producer: Russia#3 Producer: Japan#4 Producer: Canada#5 Producer: Australia
Titanium#1 Producer: Australia#2 Producer: South Africa#3 Producer: Canada#4 Producer: China#5 Producer: India
Aluminum#1 Producer: China#2 Producer: Russia#3 Producer: The United States#4 Producer: Canada#5 Producer: Australia
The hinges are also made from various metals and plastics
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So what does this all mean?
Sunglasses are made of non renewable
resourcesEvery time we buy a
new pair of sunglasses, we are
taking resources from the Earth
We should be careful with our sunglasses to
protect the environment
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