Optical Tools

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Optical Tools
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• Lenses
• Convex Lenses
• Concave Lenses
• Eyeglasses
• Flashlight
• Camera

References
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Lenses

• Lenses bend light in different ways (Refraction
  and Reflection)
• 2 basic types Convex and Concave
• Are either simple or complex

For more information on lenses, click here
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Convex Lenses

• Make objects appear larger
• Outward shape
• Refracts light
• Focuses light to form an image

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Concave Lenses

• Make objects appear smaller
• Diverge (spread out) light
• Inward shape
• Refracts light

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Eyeglasses

• Simple lens
• Convex lens corrects far-sightedness
• Concave lens corrects near-sightedness

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Flashlight

• Simple lens
• Convex lens
• Spreads out light

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Camera

• Complex lens
• Contains 6 simple lens elements
• Can contain both convex and concave lenses

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References

• http//www.knowledge.state.va.us/main/sol/solview.
  cfm?curriculum_abbSCIcategory_abb5
• http//www.opticalres.com/kidoptx.html
• http//arapaho.nsuok.edu/adams001/Light/tsld002.h
  tm

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