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Sunglasses. A Where Project By: Heather Bradshaw. Why do People Wear Sunglasses?. To protect themselves from Ultraviolet Rays (UV Rays). To Look Cool. To Prevent Glare. What are the Different P arts of Sunglasses?. The Lenses. The Hinges . The Frames. What can Lenses be Made of?.

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slide1

Sunglasses

A Where Project By: Heather Bradshaw

slide2

Why do People Wear Sunglasses?

To protect themselves from Ultraviolet Rays (UV Rays)

To Look Cool

To Prevent Glare

slide3

What are the Different Parts of Sunglasses?

The Lenses

The Hinges

The Frames

slide4

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
slide5

But what non-renewable resources are in plastic?

Non Renewable Resources are resources that cannot be grown or regenerated at the rate at which they are being used.

Crude Oil

#1 Producer: Saudi Arabia

#2 Producer: Russia

#3 Producer: United States

#4 Producer: China

#5 Producer: Iran

Coal

#1 Producer: China

#2 Producer: The United States

#3 Producer: India

#4 Producer: Australia

#5 Producer: South Africa

Natural Gas

#1 Producer: Russia

#2 Producer: The United States

#3 Producer: Canada

#4 Producer: Iran

#5 Producer: Algeria

slide6

What about Glass?

Sand

#1 Producer: Mexico

#2 Producer: Canada

#3 Producer: Norway

#4 Producer: Chile

#5 Producer: Australia

  • Silica
  • Mainly produced in:
    • The Untied States
    • Brazil
  • Limestone
  • #1 Producer: China
  • Other Large Producers:
    • India
    • The United States
    • Europe
slide7

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
slide8

We know where plastic comes from, but what about some of the metals used in frames?

The hinges are also made from various metals and plastics

Nickel

#1 Producer: China

#2 Producer: Russia

#3 Producer: Japan

#4 Producer: Canada

#5 Producer: Australia

Aluminum

#1 Producer: China

#2 Producer: Russia

#3 Producer: The United States

#4 Producer: Canada

#5 Producer: Australia

Titanium

#1 Producer: Australia

#2 Producer: South Africa

#3 Producer: Canada

#4 Producer: China

#5 Producer: India

slide9

So what does this all mean?

Sunglasses are made of non renewable resources

We should be careful with our sunglasses to protect the environment

Every time we buy a new pair of sunglasses, we are taking resources from the Earth

slide10

Bibliography

  • http://www.madehow.com/Volume-3/Sunglasses.html#b
  • http://chrissimpson.articlealley.com/how-sunglasses-are-made-459698.html
  • http://vision.firmoo.com/sunglasses/materials-and-coatings-of-sunglass-lenses.html
  • http://www.webmd.com/eye-health/eyeglasses-eyes
  • http://vision.about.com/od/sunglasses/qt/Sunglasses_Frames.htm
  • http://dictionary.reference.com/browse/UV
  • http://brainz.org/what-polycarbonate/
  • http://www.sunvisionalliance.org/ME2/Audiences/dirmod.asp?sid=&nm=&type=Publishing&mod=Publications%3A%3AArticle&mid=8F3A7027421841978F18BE895F87F791&tier=4&id=1BE50A3CEDF84543A75B17473E896B47&AudID=28EBA89F5F874675BCE10DE3DCF0D05B
  • http://www.priweb.org/ed/pgws/uses/plastic.html
  • http://www.cleanup.org.au/au/Campaigns/plastic-bag-facts.html
  • http://www.cnbc.com/id/41887743/The_World_s_15_Biggest_Oil_Producers?slide=12
  • http://www.ecologycenter.org/ptf/misconceptions.html
  • http://daniel-workman.suite101.com/top-natural-gas-countries-a51788
  • http://www.gmagazine.com.au/features/2936/disposable-drink-bottles-plastic-vs-glass-vs-aluminium
  • http://www.miningoilgasjobs.com.au/Mining/Rocks,-Metals---Gems/Rocks/Limestone.aspx
  • http://www.mii.org/minerals/photosil.html
  • http://www.mineralsmining.org/minerals/quartz/
  • http://www.cdc.gov/niosh/nas/rdrp/appendices/chapter3/a3-53.pdf
  • http://www.bloomberg.com/news/2011-06-07/world-s-10-biggest-nickel-producing-countries-in-2010-table-.html
  • http://www.sporcle.com/games/OscilatingGibbon/aluminum_prod_countries
  • http://library.thinkquest.org/08aug/01930/maps/titanium-map.html
  • http://www.epa.gov/greenhomes/TopGreenHomeTerms.htm
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