Instructional Video

What is Inside a DVD Player? (5 of 5)

Curated and Reviewed by Lesson Planet

You probably know that there is laser in a DVD player, but how exactly does it work? The last of five videos explains the laser setup in the DVD player and how it is able to transmit stored information. The video begins with a drawing and ends with exploring the actual laser.

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Instructional Ideas
  • Find a printed diagram of the laser setup to distribute to the class
  • Use an old DVD player to actually show pupils the laser setup
Classroom Considerations
  • Learners need to be cognizant of basic electronic components, such as diodes
Pros
  • Clear explanations make the topic easy to understand
Cons
  • Abrupt transitions between parts are distracting
  • Hand-drawn diagram doesn't look professional