The World Communicates
Go to lesson index
  The story of communications and optics from the time of the ancients, now and into the future.
  Home Teacher Guide Student Guide History Photonics About this site  
Lesson 13 - Radio and television
Previous Lesson
Previous lesson
Next lesson
Next Lesson
Objective
Student Notes
In this lesson, students about how the modulation of amplitude or frequency of visible light, microwaves and radio waves can be used to transmit information and describe energy transformations in radio and television. The lesson is introduced by reference to Hertz, Marconi and Tesla and how their discoveries have changed the way we live.
Prescribed Focus Area Skills Development Content

P1 A student outlines the historical development of major principles, concepts and ideas in physics.
P2 … applies the processes that are used to test and validate models, theories and laws of science with particular emphasis on first-hand investigations in physics
P4. … describes applications of physics which affect society or the environment

P12.1 Students perform first-hand investigations
P12.2 … gather first-hand information
P12.4 … process information
P14 … draw valid conclusions from gathered data and information

D1.1 Students learn to describe the energy transformations required in one of the following:
  – mobile telephone
  – fax/modem
  – radio and television
D3.5 … outline how the modulation of amplitude or frequency of visible light, microwaves and/or radio waves can be used to transmit information

Activity Resources Homework





 
Management issues Nominal duration
 
2 hours

Please help us improve this site by filling in the site feedback form

CUDOS Home Page
 CUDOS Home Page
| Site Map | Copyright | Contact | ©2005 The University of Sydney
Link to University of Sydney Link to ANU Link to Macquarie University Link to UTS Link to Swinburne