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Science: Chapter 4-10 (19-10)
How can light be used?
5
Science
6th Grade
03/25/2008

Additional Science Flashcards

 


 

Cards

Term
What is a laser?
Definition

a device that produces

a powerful beam of light

 

(made of only 1 wavelength)

Term

What are some common

uses of lasers?

Definition
  1. treat tumors
  2. cutting, welding, drilling
  3. CDs and DVDs
  4. read bar codes
Term
What are optical fibers?
Definition
glasslike fibers that transmit information in the form of light pulses
Term
Define: total internal reflection
Definition

when light is repeatedly reflected

within a given material (optical fibers)

Term
How are fiber optics used?
Definition
  1. medicine (cameras) 
  2. communications industry (phones, television, computers)
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