slide1 n.
Skip this Video
Loading SlideShow in 5 Seconds..
Laser? PowerPoint Presentation
Download Presentation

Loading in 2 Seconds...

play fullscreen
1 / 12

Laser? - PowerPoint PPT Presentation

  • Uploaded on

What is a. Laser?. LASER ?. TABLE OF CONTENTS. What “Laser” Stands for Acronym Definition of Laser Some Uses for Lasers Medical Organizational Chart Military Commercial . Georgia Performance Objectives. Fourth Grade Science current QCC Standards Inquiry 2

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
Download Presentation

PowerPoint Slideshow about 'Laser?' - alaric

Download Now An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

What is a



table of contents
  • What “Laser” Stands for
    • Acronym
  • Definition of Laser
  • Some Uses for Lasers
    • Medical
      • Organizational Chart
    • Military
    • Commercial
georgia performance objectives
Georgia Performance Objectives
  • Fourth Grade Science current QCC Standards
  • Inquiry
  • 2
  • Topic: Reference SkillsStandard: Uses encyclopedias, science reference magazines, books and other media to obtain information related to science concepts.
  • Physical Science
  • 22
  • Topic: Energy and Its Transformations: Light and ColorStandard: Describes the technological procedures/devices that use light. Selects a topic and uses a variety of media resources to investigate selected topics (laser, optical fiber technology, or infrared devices)







definition of laser
Definition of Laser
  • A device that produces a focused beam of light at a defined wavelength that can vaporize tissue.
uses for lasers
Uses for Lasers
  • Medical
  • Military
  • Commercial
medical uses
Medical Uses
  • In surgery, lasers can be used to operate on small areas without damaging delicate surrounding tissue.
military uses
Military Uses
  • The Saber 203 briefly
  • illuminates an
  • opponent with harmless,
  • low-power laser light which
  • temporarily makes the enemy
  • unable to fight.
  • Artillery
  • Missiles
  • Radar
commercial uses
Commercial Uses

More Information and uses

questions activities
  • 1. What does the acronym laser stand for?
  • 2. Who invented the laser?
  • 3. What happens to light to make it become a laser?
  • 4. What are some real world uses of lasers?
  • 5. What is your favorite fact about lasers?
  • 6. If you wee to design a laser, what would you use it for? Describe what it would look like, how heavy it would be, how you would market/sell your product.
  • 7. Which web site was your favorite? Why?
  • 8. Do you think the laser is an important invention? Why or why not?
  • 9. Draw a diagram of a laser based on the drawings and information on
  • 10.After discussing the questions and the answers given, the students will give a ½ page summary on what they learned. The teacher will have the students play bingo based on the facts that they learned in the lesson.
helpful resources
Helpful Resources
  • Title: Schawlow and Townes Invent the LaserURL: A history page from Bell Laboratories
  • Title: What Is a Laser?URL: From the Bell Laboratories where the idea for the Laser began, this page provides history and an overview.
  • Title: StructureURL: A good site for background in the structure of the atom.
  • Title: HoloworldURL: You can find a good illustration on this page.
  • Title: What's Cool About LasersURL: Find out more about lasers at this Web site.
  • Title:URL: An excellent overview of the Laser with a note on light and history. Applications of Laser technology are also included.
  • Title: Laser Facts Tracker
  • URL:attach What is a Laser Facts Tracker.doc
  • Annotation: Internet research form with room for students’ responses